228 results about "Recording layer" patented technology

This disclosure describes a technique to fingerprint TLS connection information to facilitate bot detection. The notion is referred to herein as “TLS fingerprinting.” Preferably, TLS fingerprinting herein comprises combining different parameters from the initial “Hello” packet send by the client. In one embodiment, the different parameters from the Hello packet that are to create the fingerprint (the “TLS signature”) are: record layer version, client version, ordered TLS extensions, ordered cipher list, ordered elliptic curve list, and ordered signature algorithms list. Preferably, the edge server persists the TLS signature for the duration of a session.

IR-sensitive lithographic printing plate precursors provide a stable print-out image using a unique IR radiation-sensitive composition in an infrared radiation-sensitive image-recording layer. This IR radiation-sensitive composition includes: (1) a free radical initiator composition that comprises an electron-donating agent; (2) a free radically polymerizable composition; and (3) a color-changing compound that is represented by the Structure (I) having a conjugated carbon chain between the aromatic terminal groups. The compound also has a —SO2—R3 group wherein R3 represents alkyl, aryl or heteroaryl groups. After IR imaging, these precursors exhibit desirable printout images both fresh and after dark storage. The precursors can be developed off-press or on-press.

Provided are a magnetoresistance effect element capable of inverting the magnetization of a recording layer by a small current, and an integrated circuit using the same. A magnetoresistance effect element 1 includes a layer 11 including Ru and O, a metal layer 12 provided adjacent to the layer 11 including Ru and O, a recording layer 13 including a magnetic body provided adjacent to the metal layer 12, a barrier layer 14, and a reference layer 15, the metal layer 12 including one or more metals selected from the group consisting of Pt, W, Ta, Ti, Cr, and V. The integrated circuit is composed of a plurality of magnetoresistance effect elements 1.

A neuromorphic device includes a plurality of paired elements and a control device that controls each of the plurality of paired elements. Each of the plurality of paired elements includes a first magnetoresistance effect element, a second magnetoresistance effect element, and a readout electrode shared by the first magnetoresistance effect element and the second magnetoresistance effect element. Each of the first magnetoresistance effect element and the second magnetoresistance effect element includes a reference layer, a magnetic recording layer, a non-magnetic layer, and two electrodes. The readout electrode is connected across the reference layers of the first magnetoresistance effect element and the second magnetoresistance effect element. The control device reverses a direction in which a read current flows between the first magnetoresistance effect element and the second magnetoresistance effect element in a specific paired element from which a signal is read.

Disclosed is a heat-sensitive recording material comprising at least an undercoat layer and a heat-sensitive recording layer in this order on a support,the undercoat layer containing an inorganic pigment, hollow particles, and a binder,the heat-sensitive recording layer containing a leuco dye, developers, and a binder,the heat-sensitive recording layer containing a first developer and a second developer as the developers,the heat-sensitive recording layer containing an N,N′-diarylurea-based compound represented by formula (1) as the second developer:whereinR2 represents a C1-12 alkyl group, a C7-12 aralkyl group, or a C6-12 aryl group, the aralkyl group and aryl group may be substituted with a C1-12 alkyl group, a C1-12 alkoxy group, a C6-12 aryl group, or a halogen atom, and a plurality of R2s may be the same or different; andA1 represents a hydrogen atom or a C1-4 alkyl group, and a plurality of A1s may be the same or different.

The invention discloses a multi-focal near-to-eye display holographic optical element and a preparation method and device thereof. The element adopts a composite structure of a substrate, a multi-focal correction layer and a holographic recording layer, a holographic grating accurately matched with each optical partition of the correction layer is formed in the recording layer through a partition exposure technology, and multi-depth virtual image display and user refraction correction functions can be realized at the same time. The preparation device comprises a coherent light source, a beam splitter, a diffusion plate, a focal plane displacement system, a mask component and a master controller, and partition exposure is realized through cooperative control. The problem that traditional near-to-eye display cannot meet multi-focus display and refraction correction at the same time is solved, a user can clearly perceive fused multi-depth virtual information and a real environment without additionally wearing glasses, the visual comfort and experience are remarkably improved, and the method is suitable for AR / VR and other head-mounted display devices.

A thermosensitive recording medium for a linerless label is provided. The thermosensitive recording medium includes a support, a thermosensitive recording layer, a protective layer, and a release layer. The release layer includes at least one selected from the group consisting of epichlorohydrin, polyamide epichlorohydrin, an oxazoline derivative, hydrazine, and a hydrazide derivative. The thermosensitive recording layer, the protective layer, and the release layer are disposed on one side of the support.

There is provided an on-press development type lithographic printing plate precursor including a support, and an image-recording layer provided on the support, in which the image-recording layer contains (1) or (2).(1) a borate compound represented by Formula (1) and an electron-accepting polymerization initiator(2) a borate compound represented by Formula (1a)in Formula (1) and Formula (1a), R1, R2, R3, and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted alkynyl group, and R1, R2, R3, and R4 may each independently have a ring structure. Provided that at least one of R1, R2, R3, or R4 is different from the other. M+ represents a cation. Ma+ represents an iodonium cation.

Various apparatuses, systems, methods, and media are disclosed for heat-assisted magnetic recording (HAMR) that includes a HAMR medium with a seed-thermal barrier structure. The seed-thermal barrier structure is positioned between a heat sink layer and a magnetic recording layer. In some examples, the seed-thermal barrier structure has a first layer including MgOTiO (MTO), a second layer including TiN on the first layer, a third layer on the second layer, and a fourth layer including MTO on the third layer. The third layer, in some examples, includes at least one of: RuAl, Pt, PtZr, PtTa, Rh, FePt, CrMo, or Cr.

Disclosed is a heat-sensitive recording material having a heat-sensitive recording layer containing a leuco dye, a developer, and an adhesive on a support body, in which the heat-sensitive recording material is characterized by containing an olefin-acrylic copolymer salt and a styrene-butadiene latex as the adhesive, and in which the amount of the olefin-acrylic copolymer salt is less than the amount of the styrene-butadiene latex. The present invention relates to a liquid crystal composition comprising a liquid crystal compound selected from the group consisting of a compound represented by general formula (1) (in formula (1): R each represents a C1-12 alkyl group, a C7-12 aralkyl group, or a C6-12 aryl group, the aralkyl group and the aryl group may be substituted by a C1-12 alkyl group, a C1-12 alkoxy group, a C6-12 aryl group, or a halogen atom, and a plurality of R may be the same or different; and each A1 represents a hydrogen atom or a C1-4 alkyl group, and a plurality of A1 may be the same or different. ) is represented by formula (1). The N, N '-diarylurea compound is represented by general formula (2) (in formula (2), R1 to R5 may be the same as or different from each other; compounds represented by general formula (3) and each represents a hydrogen atom, a halogen atom, a nitro group, an amino group, an alkyl group, an alkoxy group, an aryloxy group, an alkylcarbonyloxy group, an arylcarbonyloxy group, an alkylcarbonylamino group, an arylcarbonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, a monoalkylamino group, a dialkylamino group or an arylamino group. And at least one non-phenolic color-developing agent selected from the group consisting of the compounds represented by the formula (1) is used as a color-developing agent. # imgabs0 # # imgabs1 # # imgabs2 #

Embodiments of the present invention relate to a disk device and an electronic device. The disk device includes a housing, a disk-shaped recording medium, a magnetic head, an internal wireless communication device, and internal components. The housing has a storage space provided therein. The recording medium is stored in the storage space and has a recording layer. The magnetic head is stored in the storage space and is configured to read and write information with respect to the recording medium. The internal wireless communication device performs at least one of the following operations: generating an electrical signal of information written by the magnetic head to the recording medium corresponding to light, a magnetic field, or an electric field generated by an external wireless communication device; and generating light, a magnetic field, or an electric field corresponding to the electrical signal of information read by the magnetic head from the recording medium toward the external wireless communication device. The internal components are stored in the storage space, are electrically connected to the magnetic head, and communicate with external components outside the housing through the internal wireless communication device and the external wireless communication device.

A magnetic recording medium includes a nonmagnetic substrate, an underlayer disposed above the nonmagnetic substrate, and a magnetic recording layer disposed above the underlayer. The magnetic recording layer includes a first magnetic layer disposed above the underlayer, and a second magnetic layer disposed above the first magnetic layer. Each of the first magnetic layer and the second magnetic layer has a granular structure including magnetic grains having a L10 structure and a grain boundary portion. The grain boundary portion of the first magnetic layer includes aluminum nitride, and the grain boundary portion of the second magnetic layer includes hexagonal boron nitride. An aluminum nitride content in the first magnetic layer is in a range of 15 vol % to 35 vol %, and a peak in a B1s spectrum of the grain boundary portion of the second magnetic layer observed using X-ray photoelectron spectroscopy is 191.6 eV or less.

Various devices, apparatuses, methods, and media for heat assisted magnetic recording (HAMR) are disclosed that, in some examples, provide HAMR media with a platinum doped CO-BN capping layer. In one example, the HAMR medium includes a CoPtBN capping layer on a magnetic recording layer having Pt in a range of 5 atomic percent (at.%) to 12 at.%. The atomic ratio of Co to Pt in the CoPtBN may be in the range of, for example, 5 to 13. The BN in the CoPtBN may comprise, for example, from 22 mol% to 30 mol% of the CoPtBN. The CoPtBN may have a face-centered cubic (FCC) crystal structure. The HAMR media may have various other layers, such as a substrate, a heat sink layer on the substrate, and a seed layer on the heat sink layer, with the magnetic recording layer on the seed layer. The seed layer may include MgO or MgO-TiO. An amorphous soft underlayer (SUL) may be provided.

A dielectric reproducing device and a dielectric recording and reproducing device that can improve the reproduction speed. A detection means is provided so as to be able to detect a polarization state of each bit 1a corresponding to the data recorded in a data recording layer by relatively scanning the data recording layer made of a dielectric material. A heating means is provided so as to be able to heat the bit to be detected to a predetermined temperature while the detection means detects the polarization state. A reproducing means is provided so as to be able to reproduce the data based on the polarization state of each bit detected by the detection means.

A magnetoresistive effect element includes a reference layer, a barrier layer, a recording layer, and a channel layer that are disposed on top of one another, and a first terminal connected to the reference layer, and a second terminal and a third terminal connected to the channel layer. The channel layer includes a first channel layer and a second channel layer, the first channel layer has electrical resistance larger than electrical resistance of the second channel layer, the second terminal is connected to the first channel layer, and the third terminal is connected to the second channel layer, a write current flows between the second terminal and the third terminal via the first channel layer and the second channel layer, and a read current flows between the first terminal and the third terminal.

To provide a recording material in which a printing part is excellent in water resistance and alcohol resistance.SOLUTION: There are provided a developer containing a compound represented by the following general formula (1) (wherein, n represents 0 to 2. R1 represents a halogen atom, a straight or branched chain alkyl group having 1 to 8 carbon atoms, a straight or branched chain alkoxy group having 1 to 8 carbon atoms or a substituent of the formula (2). R2 represents a hydrogen atom, an alkyl group which may be substituted or an aryl group which may be substituted.), a recording material containing the developer, a thermosensitive recording layer containing the recording material and a thermosensitive recording paper having the thermosensitive recording layer.SELECTED DRAWING: None

Disclosed is a heat-sensitive recording body which has, on one side of a paper support, a primer layer containing hollow particles having a hollow ratio of 80 to 98% and a heat-sensitive recording layer containing a leuco dye and a color developer in this order, and on the other side of the paper support, a back layer containing a pigment, wherein the back layer has a Gurley smoothness of 500 seconds or more, and the hollow particles are contained in a proportion of 5 to 30% by mass in the total solid content of the primer layer.

Provided is a heat-sensitive recording body which is environmentally friendly and has excellent water resistance and oil resistance as well as excellent color developing performance.　The heat-sensitive recording body has a heat-sensitive recording layer containing a colorless or light-colored electron-donating leuco dye and an electron-accepting developer on a support, wherein the electron-accepting developer is an isolated lignin, and the heat-sensitive recording layer contains toluenesulfonamide as a sensitizer.

To provide a magnetic recording medium in which perpendicular orientation of a magnetic recording layer is enhanced and further high recording density is made possible, and to provide a magnetic recording and reproducing device provided with the magnetic recording medium.SOLUTION: A magnetic recording medium 1 according to the present invention includes an underlayer 30, a seed layer 40, and a magnetic recording layer 60 in this order on a non-magnetic substrate 10, wherein the seed layer 40 contains two elements phase-separated from each other, one phase of an element α mainly has a columnar crystal of an fcc structure, and the other phase of an element β mainly has an amorphous structure, the underlayer 30 includes a first underlayer 31, a second underlayer 32, and a third underlayer 33 from the side of the non-magnetic substrate 10, the first underlayer 31 mainly contains any of Ru, Cr, and Ni, the second underlayer 32 mainly contains the one element α, and the third underlayer 33 mainly contains any of Ru, Cr, and Mo.SELECTED DRAWING: Figure 1

A negative-working lithographic printing plate precursor has a negative-working infrared radiation-sensitive image-recording layer that has a) two or more free radically polymerizable components; b) an initiator composition capable of generating free radicals; and c) one or more infrared radiation absorbing cyanine dyes. The a) two or more free radically polymerizable components comprise a combination of a urethane (meth)acrylate and a polyester (meth)acrylate, which together, comprise 75-100 weight % of all free radically polymerizable components. The weight ratio of the urethane (meth)acrylates to the polyester (meth)acrylates is from 90:10 to and including 35:65. The urethane (meth)acrylates comprise one or more urethane linkages and at least 4 acrylate or methacrylate ester groups. Each of the one or more polyester (meth)acrylates is free of a urethane linkage and is represented following structure (I). These precursors are less sensitive to ambient ozone and can be infrared radiation imaged and developed on-press during lithographic printing.

The present invention provides an on-press developable lithographic printing plate precursor, and a method for producing a lithographic printing plate or a lithographic printing method using the on-press developable lithographic printing plate precursor. The on-press developable lithographic printing plate precursor comprises a support, an image recording layer, and an outermost layer in sequence. The image recording layer comprises an infrared absorber, an electron-donating polymerization initiator, and a polymerizable compound. The HOMO value of the infrared absorber and the HOMO value of the electron-donating polymerization initiator are 0.60 eV or less, and the outermost layer comprises a color-changing compound.

A positive-working lithographic printing plate precursor including a support and an image-recording layer formed on the support and consisting of a positive-working photosensitive resin composition, in which the positive-working photosensitive resin composition contains a compound having at least one electron-withdrawing group and at least one phenolic hydroxyl group in one molecule, an alkali-soluble resin, and an infrared absorber, and the electron-withdrawing group excludes a sulfonyl group; and a method of preparing a lithographic printing plate using the positive-working lithographic printing plate precursor.

The application belongs to the field of optical storage, and specifically discloses an optical disc data reading method and device. The optical disc involved in the application comprises a plurality of data layers, each data layer comprising a plurality of data blocks. The optical disc data reading method comprises the following steps: focusing imaging light to a preset data layer of the optical disc; obtaining images of each data block in the preset data layer based on the imaging light when the optical disc rotates; controlling the imaging light to stably focus on the preset data layer according to the brightness and the definition of each data block image, and then reading corresponding data information based on the images of each data block. According to the application, the defocus distance and direction can be accurately predicted in combination with the definition evaluation function, and real-time focus control can be performed in the process of continuous rotation of the optical disc. Data is read in a pure image mode, and focus servo control can be completed without making a data recording layer with a track in the optical disc, so that reading of hundreds of layers of data in a multi-dimensional storage optical disc can be realized.

A display technology capable of displaying special images is provided. A display body (1) includes: a light-shielding layer (12) having a plurality of slits (SL) arranged at intervals in the width direction; and an image recording layer (22) spaced apart from a main surface of the light-shielding layer (12) and opposite it, and recording a latent image that is made visible by being partially hidden by the light-shielding layer (12).

An optical recording medium capable of suppressing a decrease in reproduction durability is provided. [Solution] In an optical recording medium, a first disc (10) includes at least one information signal layer (L0-Ln). The information signal layer includes a first dielectric layer (14), a recording layer (13), and a second dielectric layer (15), in that order, with the first dielectric layer being located deeper than the recording layer when viewed from a first light irradiation surface (C1). The recording layer includes Mn and O. The first dielectric layer includes Zn, Sn, Al, and O or Zn, Sn, Ti, and O, with the Al content relative to the total amount of Zn, Sn, and Al being 10 atomic % or more, and the Ti content relative to the total amount of Zn, Sn, and Ti being 10 atomic % or more.

A method of manufacturing a magnetic recording medium includes burnishing, with an abrasive material, a surface of a stack including a magnetic recording layer and a protective layer stacked on a substrate in order of the magnetic recording layer and the protective layer. The burnishing of the surface of the stack includes using a long abrasive tape including abrasive grains as the abrasive material fixed onto a support in a state of being wound in roll form, and pressing the abrasive tape, supplied from the state of being wound in the roll form, against the surface of the stack so as to rub the surface of the stack. The abrasive tape in the state of being wound in the roll form is subjected to vacuum treatment in advance such that loose abrasive grains are reduced.

The purpose of the present invention is to provide a method for manufacturing a magnetic recording medium, wherein foreign matter on the surface of the magnetic recording medium can be efficiently removed, and the coating rate by a lubricating layer is high. A method for manufacturing a magnetic recording medium according to the present invention is a method for manufacturing a magnetic recording medium in which a lubricating layer is formed on a laminate in which a magnetic recording layer and a protective layer are laminated in this order on a substrate, the method comprising: a step for applying a first lubricant and a second lubricant on the laminate, and a polishing step for polishing the surface of the laminate to which the first lubricant and the second lubricant have been applied with a polishing material, and a step for removing the second lubricant from the laminate, the polishing step including: a step for pressing and rubbing a tape containing the polishing material against the surface of the laminate; the step of removing the second lubricant includes a step of irradiating the laminate coated with the first lubricant and the second lubricant with light emitted from an LED light source.

The invention provides a magnetic tunnel junction which comprises a reference layer, a barrier layer, a free layer and a covering layer which are arranged in a stacked mode, the free layer comprises m (m is larger than or equal to 2) magnetic recording layers which are arranged in a stacked mode, the lowest magnetic recording layer makes contact with the barrier layer, and the uppermost magnetic recording layer makes contact with the covering layer. M-1 intermediate oxide layers, each intermediate oxide layer being located between every two adjacent magnetic recording layers and being in contact with the lower adjacent magnetic recording layer; and at least one buffer layer located between the intermediate oxide layer and the above adjacent magnetic recording layer for improving the interface characteristics of the intermediate oxide layer / magnetic recording layer. According to the invention, the STT efficiency of the multi-interface MTJ can be improved.

[Problem] To provide a thermosensitive recording medium having an excellent corrosion resistance of a thermal head when printing, as well as good for the environment using kraft lignin as a color developing agent. [Means to solve the Problem] A thermosensitive recording medium, comprising: a thermosensitive recording layer containing a colorless or pale colored electron donating leuco dye and an electron accepting color developing agent on a substrate, wherein the thermosensitive recording layer contains a kraft lignin as the electron accepting color developing agent, and the kraft lignin contains almost no hydrogen sulfide or contains only 400 ppm at most.