303 results about "Inter layer" patented technology

Techniques for joining dissimilar materials in microelectronics are provided. Example techniques direct-bond dissimilar materials at an ambient room temperature, using a thin oxide, carbide, nitride, carbonitride, or oxynitride intermediary with a thickness between 100-1000 nanometers. The intermediary may comprise silicon. The dissimilar materials may have significantly different coefficients of thermal expansion (CTEs) and / or significantly different crystal-lattice unit cell geometries or dimensions, conventionally resulting in too much strain to make direct-bonding feasible. A curing period at ambient room temperature after the direct bonding of dissimilar materials allows direct bonds to strengthen by over 200%. A relatively low temperature anneal applied slowly at a rate of 1° C. temperature increase per minute, or less, further strengthens and consolidates the direct bonds. The example techniques can direct-bond lithium tantalate LiTaO3 to various conventional substrates in a process for making various novel optical and acoustic devices.

The invention discloses a multi-layer coated nano silicon negative electrode material and a preparation method and application thereof. The material is of a core-shell structure with a silicon core, a silicon dioxide middle layer, a hard carbon layer and a soft carbon outer layer. The preparation method comprises the following steps: (1) inner layer coating: generating a silicon dioxide or lithium silicate coating layer on the surface of nano silicon particles or silicon-based composite particles through in-situ oxidation or ectopic coating to form a core-shell structure; (2) middle layer coating: coating the surface of the core-shell structure obtained in the step (1) with a lithium-source-containing hard carbon or porous carbon layer to form composite particles; and (3) outer layer coating: coating the surfaces of the composite particles obtained in the step (2) with soft carbon, graphitized carbon or an organic-inorganic hybrid carbon layer to form three-layer coated nano silicon particles. Through a three-layer synergistic coating structure, the core problems of violent volume expansion, poor conductivity and unstable SEI film of the silicon negative electrode are effectively solved.

A multilayer, monoaxially stretched, recyclable film (1) for a laminate (7). The film (1) has outer layers (3) and at least one inner barrier layer (6), with a tie layer (5) arranged between each of these. At least one further, functional intermediate layer (4) is arranged between each of the outer layers (3) and the barrier layer (6).

The method for manufacturing a composite substrate includes: forming an intermediate layer on a support substrate; respectively irradiating FAB on the surface of the piezoelectric material substrate and the surface of the intermediate layer formed on the support substrate; the surface of the piezoelectric material substrate is further irradiated with FAB, and a sputtering film containing the material of the piezoelectric material substrate is formed on the surface of the middle layer; a bonding step for bonding the piezoelectric material substrate and the intermediate layer on which the sputtering film is formed to obtain a bonded body having the waveguide substrate; and irradiating the joined body with laser light along the surface direction of the composite substrate, and forming the composite substrate using the joined body irradiated with the laser light.

The invention relates to the technical field of high-temperature-resistant coatings, in particular to a method for repairing a high-temperature-resistant environmental barrier coating, which comprises the following steps of: pretreating a to-be-repaired area on the surface of a ceramic matrix composite material; the surface to-be-repaired area is coated with prepared bonding layer slurry, curing treatment is carried out, and a first bonding layer is obtained; coating the outer surface of the first bonding layer with the bonding layer slurry, and performing curing treatment to obtain a second bonding layer; the outer surface of the second bonding layer is coated with prepared middle layer slurry, curing treatment is conducted, and a middle layer is obtained; coating the outer surface of the middle layer with prepared surface layer slurry, and performing curing treatment to obtain a surface layer; and carrying out surface heat treatment on the ceramic-based composite material coated with the surface layer to obtain the high-temperature-resistant environmental barrier repair coating. The repairing method of the high-temperature-resistant environmental barrier coating aims at solving the problem that the external field repairing difficulty of the local damaged area of the environmental barrier coating on the surface of the ceramic matrix composite is large.

The present invention concerns a laminated glass, comprising first and second glass sheets and a ply of interlayer material therebetween; a heating element arranged on a surface of the second glass sheet adjacent the ply of interlayer material; a circumference of the heating element spaced from an edge of the second glass sheet forming a circumferential region between the circumference and the edge of the second glass sheet where conductive material of the heating element has been at least partly removed; a conductive ring configured in the circumferential region spaced from the circumference and spaced from the edge of the second glass sheet and electrically isolated from the heating element wherein conductive materials of the heating element and the conductive ring are different.

The present disclosure generally relates to spintronic material stacks and devices. A spintronic stack comprises an amorphous layer, a texturing layer comprising one or more materials selected from the group consisting of: TaxW1-x, where x is from zero to 1, MgO, Ru, Ti, TiN, YPt, B2 alloys X—Al, where X is one of Co, Ni, Ru, Rh, or Ir, CrMo, TaxW1-x N, HfN, and TaxHf1-xN, a barrier layer comprising one or more materials selected from the group consisting of: X—AlGe, X—AlGeN, where X is one of Co, Ni, Ru, or Ir, TaxW1-xN, HfN, and TaxHf1-xN, and TiN, a YPtBi layer having a (110), (111), or (100) orientation, an interlayer, and a ferromagnetic layer. The texturing barrier layers each individually comprises a material having a high resistivity to minimize shunting, and function as a crystal symmetry transfer layer to provide the a (110), (111), or (100) orientation to the YPtBi layer.

The invention relates to a multilayer structure for producing a floor covering in tile or plank form comprising successively, from top to bottom: - an upper wear layer; - a middle layer; - an acoustic backing layer; the upper, middle and acoustic backing layers being bonded together and made from polymeric materials, the acoustic backing layer comprising a backing face, which is intended to be laid on the floor and is covered with a pressure-sensitive adhesive having a 90 degree peel resistance of between 0.6 and 4 daN / cm.

A multilayer film suitable for manufacturing a stretch hood used to secure palletized goods during shipment and transport. The multilayer film comprises at least three layers and includes a first layer comprising a linear low density polyethylene resin having a melt index within the range of 0.20 and 0.60 dg / min and a density within the range of 0.910 to 0.914 g / cm3, a second layer comprising a linear low density polyethylene resin having a melt index within the range of 0.20 and 0.60 dg / min and a density within the range of 0.910 to 0.914 g / cm3, and at least one intermediate layer in between the first and second layers, the intermediate layer or layers including a linear low density polyethylene resin having a fractional melt index and a thermoplastic polyolefin having a melt index within the range of 0.30 and 0.70 dg / 10 min and a density within the range of 0.870 to 0.890 g / cm. The multilayer film having a total thickness between 4.85 and 6.7 mils and a density between 0.909 and 0.913 g / cm3. A stretch hood fabricated from such multilayer film exhibits exceptionally high holding force and, provides robust stability when utilized on palletized goods during transport. A method of manufacture of such multilayer film is also provided.

The invention relates to a composite structure comprising: - a seed layer of single-crystal III-V composite material extending in a principal plane, - a support substrate of crystalline material, on which the seed layer is deposited via a bonding interface, the support substrate comprising a peripheral rim devoid of a seed layer, the peripheral rim extending around an edge of the seed layer in the principal plane, - an intermediate layer of amorphous material, disposed between the seed layer and the support substrate and present on the peripheral rim, - at least one trench present in the peripheral rim, extending, along an axis normal to the principal plane, through the intermediate layer to the support substrate, or even into the support substrate, the trench being located less than 100 micrometers from the edge in the principal plane. The invention also relates to a method for manufacturing said structure.Figure to be published with the abbreviation: -.

The invention relates to a high-temperature protective coating of a small elbow assembly with a double-layer thin-wall structure as well as a preparation method and application of the high-temperature protective coating, and relates to the technical field of high-temperature coating materials. The high-temperature protective coating comprises a bottom layer, a middle layer and a surface layer, wherein the bottom layer is prepared from the following elements: 19-26% of Co, 14-20% of Cr, 11-14% of Al, 0.2-0.8% of Y, 0.1-0.5% of Hf, 0.1-0.7% of Si and the balance of Ni; the middle layer material is prepared from the following components: 6-8% of Y2O3, 0-2% of HfO2 and the balance of ZrO2; the surface layer material is prepared from the following components: 8 to 11 percent of Y2O3, 4.5 to 7.5 percent of Yb2O3, 4.5 to 7.5 percent of Gd2O3, 30 to 0.03 percent of Fe2O3, 0 to 2 percent of HfO2 and the balance of ZrO2. The high-temperature protective coating has excellent bonding strength, thermal shock cycle performance and thermal shock cycle performance.

The invention relates to a high-strength and high-damping ZA22 / 6061 layered composite material and a preparation method thereof. The composite material is of a five-layer sandwich structure formed by sequentially and symmetrically overlapping an outer layer, a middle layer, a central layer, a middle layer and an outer layer, in the preparation method, through the solid solution and aging heat treatment process, the optimization requirements of the microstructures of the two alloys can be met at the same time; and meanwhile, an interface layer which consists of fine grains and is proper in thickness is formed in situ at the interlayer interface. The inherent problem that two alloy heat treatment systems are incompatible is successfully solved, the yield strength of the obtained material is larger than or equal to 180 MPa, the tensile strength is larger than or equal to 190 MPa, the ductility is larger than or equal to 20%, and meanwhile the room-temperature internal friction value of the material at the testing frequency of 0.5 Hz is not lower than 0.028.

The application discloses a double-color injection molding IML forming process with a character pattern suspended in a middle layer, breaks through the bottleneck that a traditional suspended pattern needs to be printed on the back of a transparent piece and limits the back structure design. By silk-screening a character pattern on the front of a PC film piece, covering a non-character area with a black primer and filling a high-transmittance white ink, and setting a precise positioning hole and structure in the back black area, the pattern suspension three-dimensional effect is realized, and interference with the appearance of the product is avoided; in combination with a double-color transparent injection molding process, a first layer of transparent PMMA material is injected and fused and solidified with the character area, and a second layer is injected at the bottom of the transparent film piece, so that the character is suspended in the transparent interlayer, and visual impact is achieved.

A cover (4) for a vessel (1) has an upper layer (5), an intermediate layer (10) thereunder and a lower layer (6) thereunder. The upper and the lower layer (5, 6) are connected to one another such that they are fixed relative to one another. An upper through-opening (7) is introduced into the upper layer (5), and a lower through-opening (9) is introduced or can be introduced into the lower layer (6). The through-openings (7, 9) have a region of overlap in which they lie one above the other. The intermediate layer (10) is mounted movably relative to the upper and lower layer (5, 6) and can thus be moved in a movement direction from a release position to a blocking position and back. In the release position, a blocking region of the intermediate layer (10) at least substantially releases the region of overlap, and in the blocking position, it completely covers it. Profiles (13, 14, 15) are introduced into the layers (5, 6, 10), said profiles running transversely to the movement direction and extending in the movement direction over a respective length region. The profiles (13, 14, 15) are matched to one another in such a way that the intermediate layer (10), when moving from the release position to the blocking position and back, is guided by the interaction of the profile (15) in the intermediate layer (10) with the profiles (13, 14) in the upper and / or the lower layer (6).

An article according to an exemplary embodiment of this disclosure, among other possible things includes a substrate and a barrier layer on the substrate. The barrier layer includes a bond coat comprising a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix; a topcoat; and a porous interlayer disposed between the topcoat and the bond coat. The porous interlayer has a porosity that is greater than a porosity of the topcoat. A slurry composition for applying an interlayer to an article and method of applying a top coat to an article are also disclosed.

A circuit board includes an insulating layer including first and second main surfaces facing each other in a thickness direction, first and second conductor layers respectively on the first and second main surfaces, an interlayer connection conductor penetrating the insulating layer in the thickness direction and connected to the first and second conductor layers, and a rustproof layer on a surface of the first or second conductor layers. The interlayer connection conductor includes a first portion made of a single metal and a second portion including at least a metal different from the first portion in the thickness direction. The first portion is bonded to the second portion with a first intermediate layer interposed therebetween and includes the metals included in the first and second portions. The second portion is bonded to the second conductor layer with a second intermediate layer interposed therebetween.

This invention belongs to the field of rotating zinc target technology, and discloses a rotating zinc target, its preparation method and application. The rotating zinc target includes a zinc main body layer (1) and an inner liner tube (2) disposed inside the zinc main body layer (1). The zinc main body layer (1) is provided with a zinc working surface layer (12) and a Ni-Cu alloy transition bottom layer (11). The zinc working surface layer (12) is an ultrafine-grained pure zinc surface layer (12), and a Zn-Ti alloy intermediate layer (13) is provided between it and the Ni-Cu alloy transition bottom layer (11). The Zn-Ti alloy intermediate layer (13) can effectively prevent the downward diffusion of surface Zn atoms. Zn-Ti can form a dense intermetallic compound (such as TiZn2, TiZn3, Ti2Zn). 11 The Zn-Ti alloy intermediate layer (13) is metallurgically bonded to the interface without voids or porosity defects, effectively preventing the diffusion of Zn atoms from the surface layer. The ultrafine-grained pure zinc surface layer (12) has small grain size, and the interface grains formed by the Zn-Ti alloy intermediate layer (13) with the surface layer and with the bottom layer are also small in size, which can effectively disperse stress. The resulting deposited film has a uniform and dense composition and a long service life.

This invention relates to the field of materials science, specifically to a method for preparing a high-bonding, ultrahard nanolayered thin film, the film itself, and its applications. The film comprises a Cr / Ti metal bonding layer, a CrTiN intermediate layer, a TiNC transition layer, and an a-C:Ti nanocomposite surface layer sequentially deposited on a substrate surface. The a-C:Ti ultrahard nanolayered thin film prepared by this invention achieves multi-layer stacking at the microscale by controlling the periodic modulation structure of the bonding layer, intermediate layer, and transition layer, effectively suppressing dislocation and crack propagation. Through Ti doping modification and gradient periodic modulation structure design, the internal stress of the film is reduced, improving its bonding strength, wear resistance, and toughness, reducing the risk of coating cracking or peeling, and enhancing the film's service stability. The a-C:Ti ultrahard nanolayered thin film of this invention is particularly suitable for applications such as precision machining tool coatings, surface strengthening of aero-engine gears and bearings, and wear protection of microelectromechanical systems (MEMS).

The invention provides a PEI-based multilayer dielectric composite film containing an inorganic interlayer and a preparation method and application thereof.The PEI-based multilayer dielectric composite film comprises a first layer body, a second layer body and a third layer body which are sequentially arranged in a stacked mode, the first layer body and the third layer body are polyetherimide films, and the second layer body is a polyetherimide film. And the second layer body is a ceramic fiber layer formed by sodium bismuth titanate nanofibers as an inorganic interlayer. The outer-layer pure PEI film provides a high eta value for the PEI-based multilayer dielectric composite film and ensures high breakdown field strength (Eb); the epsilon r value of the composite film is enhanced by the middle layer through the intrinsic high dielectric constant of the NBTNFs and micro interface polarization existing in the contact area of the NBTNFs and the PEI. The multilayer structure can effectively combine respective advantages of different layers, obtains high dielectric constant, high breakdown field strength and low dielectric loss, has high energy storage density and high energy storage efficiency, and can be suitable for various application fields.

A material for forming an adhesive film formed between a silicon-containing middle layer and a resist upper layer film, containing: (A) a resin having structural units shown by formula (1) and formula (2); (B) a thermal acid generator; and (C) an organic solvent, in the component (A), the structural unit shown by formula (1) having a molar fraction of 5% or more and the structural unit shown by formula (2) having a molar fraction of 30% or more. An objective is to provide a material for forming an adhesive film in a fine patterning process by a multilayer resist method in a semiconductor device manufacturing process, where the material gives an adhesive film that has high adhesiveness to a resist upper layer film, has an effect of suppressing fine pattern collapse, and also makes it possible to form an excellent pattern profile; a patterning process using the material.

The invention relates to the technical field of shrink films, and discloses a PE shrink film and a preparation method thereof. The prepared PE shrink film is composed of an inner layer, a middle layer and an outer layer, the thickness of the inner layer is the same as that of the outer layer, and the thickness of the middle layer is larger than that of the inner layer and that of the outer layer; the composite reinforcing agent is introduced into the raw materials of each layer of the shrink film, so that the matrix has excellent antibacterial property and mildew-proof property on the basis of keeping good mechanical property and toughness.

The invention relates to a thermal intermediate layer material (1) for providing a heat-conducting path between a heat output component (4) and a cooler (6), comprising: a planar solid foam (2), which is designed in the form of an open foam and which has a plurality of intermediate spaces (20); and a filling material (3) which is arranged in the intermediate space (20) of the solid foam (2) and completely fills the intermediate space (20), the intermediate layer material (1) being deformable in the event of an assembly force in order to enable tolerance compensation between the heat output component (4) and the cooler (6).

The application discloses a composite film material with dynamic infrared stealth, electromagnetic shielding and heat management functions and a preparation method and application thereof. The composite film material is a three-layer asymmetric structure. A first outer layer is a nanoporous film for reflecting sunlight and transmitting infrared radiation. A middle layer is a uniform and dense MXene layer for absorbing sunlight, reflecting infrared radiation and shielding electromagnetic interference. A second outer layer is a heat-insulating PDMS layer with a patterned array design for high sunlight transmission and high infrared emissivity. The spectrum-selective nanoporous film / MXene / patterned PDMS composite film material with the asymmetric structure can have good infrared stealth, electromagnetic shielding and heat management performances under high, low and humidity conditions, and can be applied to the fields of shielding stealth and heat management under complex dynamic scenes.

The invention discloses a composite material with a near-zero temperature coefficient. The composite material comprises composite particles with three layers of core shells, the composite particle comprises a metal organic framework serving as an inner core, a conductive carbon transition layer serving as a middle layer and a gradient doped tin oxide layer serving as a shell, and the resistance temperature coefficient symbols of materials of the inner core and the shell are opposite within the range of 0-80 DEG C. According to the composite material with the near-zero temperature coefficient, a three-layer core-shell structure of a metal organic framework core / a conductive carbon transition layer / a gradient doped SnO2 shell is adopted, mutual offset of temperature coefficients can be achieved in the material, and therefore drifting of baseline resistance generated along with fluctuation of the environment temperature is reduced.

The present disclosure generally relates to spintronic material stacks and devices. A spintronic stack comprises an amorphous layer, a texturing layer comprising one or more materials selected from the group consisting of: TaxWi-x, where x is from zero to 1, MgO, Ru, Ti, TiN, YPt, B2 alloys X-AI, where X is one of Co, Ni, Ru, or Ir, CrMo, TaxWi-x N, HfN, and TaxHfi-xN, a barrier layer comprising one or more materials selected from the group consisting of: X-AIGe, X-AIGeN, where X is one of Co, Ni, Ru, or Ir, TaxWi-xN, HfN, and TaxHfi-xN, and TiN, a YPtBi layer having a (110), (111), or (100) orientation, an interlayer, and a ferromagnetic layer. The texturing barrier layers each individually comprises a material having a high resistivity to minimize shunting, and function as a crystal symmetry transfer layer to provide the a (110), (111), or (100) orientation to the YPtBi layer.

The anti-volatilization plywood for decoration comprises a base material layer, absorption layers are arranged on the two faces of the base material layer, a protection layer is arranged on the face, away from a middle layer, of each absorption layer, a connecting layer is arranged on the face, away from the corresponding absorption layer, of each protection layer, a rectangular cavity is formed in each connecting layer, a decoration layer is arranged in each rectangular cavity, and a connecting part is arranged on the face, close to the corresponding protection layer, of each connecting layer. Side plates are arranged on the outer side of the base material layer, connecting pieces are arranged at the two ends of each side plate, and the side plates are connected with the joining layer through the connecting pieces; the plywood has the advantages that volatilization of harmful substances such as formaldehyde in the plywood is reduced through covering of the absorption layer, the absorption layer is protected and wrapped through the protection layer, the absorption layer is arranged between the plywood body and the protection layer, meanwhile, the decoration layer is fixed through the connection layer, the decoration layer is a veneer shaving board, and therefore the decoration effect is good. And the surface is easy to carve and print design patterns, so that the decoration and attractiveness of the surface are improved.

The utility model discloses a multi-area variable data label which comprises a bottom paper layer, an adhesive layer and a plane material layer, a middle layer is arranged between the adhesive layer and the plane material layer, the middle layer comprises release paper and connecting paper, the connecting paper comprises an easy-to-tear line, a first connecting part and a second connecting part, the first connecting part and the second connecting part are arranged on the two sides of the easy-to-tear line, the easy-to-tear line surrounds the outer edge of the release paper, and the second connecting part is arranged on the outer edge of the easy-to-tear line. The first connecting part is located on the side, close to the release paper, of the second connecting part, the first connecting part is fixed to the plane material layer, the second connecting part is fixed to the adhesive layer, the anti-fake code is arranged on the release paper or the face, facing the release paper, of the plane material layer, and compared with the prior art, the anti-fake code is located in the label, and no good merchants cannot directly conduct scanning under the condition that the connecting paper is not damaged. Due to the existence of the connecting paper, a customer can conveniently confirm whether the label is opened or not, and the anti-counterfeiting code in the label is ensured to be in an unscanned state.

A non-marking, adhesive wheel balancing weight, characterized in that: it comprises an upper balancing weight body (2) and a lower adhesive component (1) which is a non-marking foam adhesive tape, for the adhesive component (1) a first adhesive film layer (1.1), a foam layer (1.2), a second adhesive film layer (1.3), a mixed intermediate layer (1.4), a third adhesive film layer (1.5) and an insulating film layer (1.6) are provided in sequence from the direction of the balancing weight body (2); that the mixed intermediate layer (1.4) is made of 21% PET materials and 79% foam materials.

The invention relates to a bearing ring (1) having a sandwich structure of at least three layers (2, 4, 6), a first layer (2) at least partially forming a running surface (8), a second layer (6) being arranged on the first layer (2) as an intermediate layer, a third layer (4) being arranged at least partially on the intermediate layer (6), the first layer (2) being made of a first material, the intermediate layer (6) being made of a second material, the third layer (4) being made of a third material, the second material is different from the first material and the third material, and the second material of the intermediate layer (6) comprises a material that performs insulating, damping and / or weight-reducing functions.

The utility model relates to the technical field of rubber sealing materials, in particular to a conductive rubber strip sealed by a composite interlayer, which comprises a rubber strip body, and the rubber strip body comprises an outer layer, a middle layer and an inner layer which are sequentially arranged from outside to inside to form a three-layer gradient composite structure. Wherein the outer layer is an elastic sealing layer, the middle layer is a conductive enhancement layer, the inner layer is a protective layer, and all the layers are integrally connected through a co-extrusion molding process. Through the design of the three-layer gradient composite structure, the outer layer, the middle layer and the inner layer are respectively endowed with the functions of elastic sealing, conductive enhancement and buffer supporting, so that the conductive rubber strip can simultaneously meet the requirements of high-grade waterproof sealing and good conductive performance, and the problem that the traditional rubber strip is single in function is solved.