31results about How to "Protect corners" patented technology

An expandable, compact disc shipping container capable of securely holding a compact disc container and additionally providing added protection to the corners of the compact disc container, which usually is most vulnerable to damage during shipping, and to the compact disc itself. The expandable, shipping container is provided with a top closure flap that is at least as long as the width of maximum expansion and further provided with score lines that facilitate assembly of a container blank and provide the ability to hold compact discs containers of varying thickness securely during shipment.

The present invention discloses a flip-chip semiconductor package and a chip carrier thereof. The chip carrier includes a groove formed around a chip-mounting area. The groove may be formed along a periphery of the chip-mounting area or at corners thereof. The groove is filled with a filler of low Young's modulus so as to absorb and eliminate thermal stress, thereby preventing delamination between an underfill and a flip chip mounted on the chip-mounting area.

A lithium based battery includes a cell structure group formed by stacking unit cells each including a positive electrode, a negative electrode, and a separator interposed therebetween, or formed by repeatedly folding or winding an integral body of the unit cells; a battery container for containing the cell structure group; and an electrolyte, which is poured in the battery container after the cell structure group is contained in the battery container. The outer peripheral surface of the battery container is covered with an ion impermeable and extensible high polymer sheet having a tensile elongation percentage of 1% or more. With this configuration, even if there happens such a severe accident that nail pieces the battery or the battery is crashed, it is possible to prevent a large short-circuit current from flowing between the positive and negative electrodes, and hence to ensure a higher safety of the battery.

The invention describes novel reaction chambers that include a case with at least one opening and a flat bottom flange attached to the first side of a substrate with at least one microarray of materials attached thereto. The case and the substrate are attached through an adhesive layer with at least one perforations such that the at least one microarrays, the at least one perforations and the at least one openings are aligned and forms at least one individual reaction chambers. Methods of using such chambers are disclosed. Also provided are kits including the novel chambers.

A method for forming a split gate flash device is provided. In one embodiment, a semiconductor substrate with a dielectric layer formed thereover is provided. A conductor layer is formed overlying the dielectric layer. A masking layer is deposited overlying the conductor layer. A light sensitive layer is formed overlying the masking layer. The light sensitive layer is patterned and etched to form a pattern of openings therein. The masking layer and the conductor layer are etched according to the pattern of openings in the light sensitive layer. The conductor layer is etched at the outer surface area between the conductor layer and the dielectric layer to form undercuts. The dielectric layer is etched to form a notch profile at the outer surface area between the conductor layer and the dielectric layer and portions of the substrate are etched to form a plurality of trenches. An isolation layer is filled over the plurality of trenches and the masking layer. The masking layer and portions of the conductor layer and isolation layer are etched away, wherein a portion of the isolation layer is preserved in the notch profile.

A socket includes multiple protrusions and grooves alternatively formed in the inner periphery of the central hole of the socket. Each protrusion has an encounter face formed on the distal end thereof. The encounter face includes two inclined faces which intersect at a peak point by a top angle. Each protrusion includes two lateral sides which respectively face the grooves corresponding thereto. The two inclined faces respectively intersect the two lateral sides at a corner by a corner angle which is an obtuse angle. An angle of 2 to 9 degrees is defined between each of the inclined face and a chord that passes the peak point and is perpendicular to an axis of the protrusion 20. The center angle between the two lateral sides of each protrusion is 20 to 60 degrees. The socket effectively drives rounded object and the corners of each protrusions are not damaged.

The invention discloses an anti-bump structure for LED display units and provides an anti-bump structure, which is good in protective performance and can adjust protective length in different states through an adjusting structure, for the LED display units. The anti-bump structure comprises the LED display units, wherein anti-bump blocks are arranged on the LED display units; an anti-bump block arc edge is arranged on each anti-bump block, a slide groove is formed in the anti-bump block arc edge, an upper bayonet and a lower bayonet are arranged on the slide groove, a bayonet block is arranged on the slide groove and connected with an adjusting screw, and the adjusting screw is connected with a slide anti-bump block and an adjusting button. Damage to the LED display units in processes of packaging, transportation, dismounting, mounting, maintenance and the like is reduced with adoption of the anti-bump structure, and the anti-bump structure is applicable to protection of outdoor LED display splicing boxes.

The invention discloses a formwork construction device for visualized construction of a column. The device comprises a base frame, a formwork unit, a height adjustment mechanism, a discharge head moving unit and a concrete lifting unit; the upper surface of the base frame is fixedly provided with four fixed sleeves distributed in an array, a sliding rod is slidably connected in each fixed sleeve,the tops of the sliding rods are correspondingly connected to the four corners of a top frame, and a concrete lifting unit is installed at the bottom of the top frame; and the height adjustment mechanism is fixedly connected between two crossbars of the bottom frame, and a horizontal part of an L-shaped connecting rod of the height adjustment mechanism is connected to the side face of the top frame. By means of the formwork construction device and method for visualized construction of the column, the corners of a transparent board can be protected, the expandability is high, formworks can be spliced according to different sizes, the good applicability is achieved, the manual labor intensity is low, safety of workers is facilitated, and the construction efficiency is improved.

The invention provides a rubber frame, backlight module and display device, and belongs to the display technical field. The problem that stress can be generated easily in corners of a display panel which is embedded by the rubber frame, backlight module and display device and a hard rubber frame in an existing design can be solved. The rubber frame, backlight module and display device comprise a frame which is made of hard materials and retaining walls which are made of soft materials. The frame has a supporting, positioning and protecting function on various backlight modules. Meanwhile, the display panel is embedded, and damage to all functional layers due to collision, extrusion and the like is avoided. The retaining walls correspond to the corners of the display panel, key protection of the corner parts of the liquid crystal display panel can be achieved, and damage to the liquid crystal display panel is prevented due to the fact that the display panel makes contact with the hard rubber part when being subjected to external force.

An open wrench includes a body having a mounting hole defined therethrough. Two first faces and two second faces are respective defined in the inside of the mounting hole. The two first faces and the two second faces are located along four consecutive sides of an imaginary hexagonal body. Each first face has at least two teeth defined therein. Five curved faces are defined in the inside of the mounting hole and located corresponding to five corners of the imaginary hexagonal body. Each of the first and second faces has a contact face and each contact face is connected between two adjacent curved faces. The length of each contact face is 0.5-0.65 of the length of each side of the imaginary hexagonal body.

A method for fabricating a cavity-down package is provided. A chip carrier includes a chip cavity. A chip is disposed inside the cavity, and a plurality of bonding materials is formed at the corners of the chip. The bonding materials are cured to protect the corners of the chip. Next, an encapsulant is formed in the cavity to seal the chip and the bonding materials to prevent stress concentration caused by thermal expansion mismatch on the chip corners and eliminate delamination between the encapsulant and the chip.

An open wrench includes a body having a mounting hole defined therethrough. Two first faces and two second faces are respective defined in the inside of the mounting hole. The two first faces and the two second faces are located along four consecutive sides of an imaginary hexagonal body. Each first face has at least two teeth defined therein. Five curved faces are defined in the inside of the mounting hole and located corresponding to five corners of the imaginary hexagonal body. Each of the first and second faces has a contact face and each contact face is connected between two adjacent curved faces. The length of each contact face is 0.5-0.65 of the length of each side of the imaginary hexagonal body.

The invention discloses a transparent cover board capable of being wiped, which comprises tempered glass and a bracket, wherein the tempered glass is arranged on the bracket; the bracket comprises a guide rail and a cross arm; the cross arm is arranged on the guide rail in a sliding manner and is provided with a wiping mechanism; the wiping mechanism is attached to the lower surface of the tempered glass; and the cross arm is provided with a permanent magnet. Compared with the prior art, the transparent cover board capable of being wiped disclosed by the invention becomes a transparent structure from an originally non-transparent structure; the lower surface of the cover board can be wiped clean even if the lower surface of the cover board is misted or water drops are formed by moisture condensation; the lower surface of the cover board is prevented from dust or debris; the cover board is kept in a transparent state; and the condition that an inspector can timely grasp the condition in a cable channel without turning over the cover board is facilitated.

A method for fabricating a cellular trench metal oxide semiconductor field effect transistor (MOSFET) includes depositing a first photoresist atop a first epitaxial (epi) layer to pattern a trench area, depositing a second photoresist atop a first gate conductor layer to pattern a mesa area, etching away part of the first gate conductor layer in the mesa area to form a second gate conductor layer with a hump, and titanizing crystally the second gate conductor layer to form a Ti-gate conductor layer. Edges of the mesa area are aligned to edges of the trench area. Hence, approximately more than half of polysilicon in the second gate conductor layer is titanized crystally. A spacer can be formed to protect corners of the first gate conductor layer and to make the gate conductor structure more robust for mechanical support.

The invention discloses a vertical connection structure of a photovoltaic module and a photovoltaic module thereof. The vertical connection structure comprises a corner, which is provided with connecting arms, sawtooth surfaces and stop surfaces; the two connecting arms are vertically connected in an L shape, and each connecting arm is divided into an insertion section and a connection section along the length direction; the sawtooth surfaces are located on the insertion sections; the stop surfaces are located at the boundaries of the insertion sections and the connection sections, and are perpendicular to the length directions of the insertion sections and the connection sections; the insertion sections are in contact connection with the inner cavity of a profile, and the stop surfaces are in contact with the ends of the profile; and the corner guard is provided with a groove having an L-shaped length, the groove is in contact with the inner sides of the connection sections, and whenthe corner guard is assembled with the corner, the cross-sectional contours of the corner guard at the groove and the corner are the same as the cross-sectional contour of the profile. The corner clamps the periphery of the corner guard, the profile clamps the two ends of the corner guard, and the three are fixed tightly, so that the sharpness of the corner of the profile is eliminated, the repairof the profile is avoided and the assembly work of the personnel is reduced.

The invention provides a mounting mold for a precast beam wedge block and embedding bolts and a construction method of the mounting mold. The mounting mold comprises a main mold body and an auxiliarymold body, wherein the auxiliary mold body comprises a rectangular frame and a composite plate which is completely spread and provided with embedding holes; the main mold body comprises an upper formwork and a lower formwork which are both arranged in the embedding holes of the rectangular frame; the upper formwork and the lower formwork are rectangular plates; adjusting holes allowing embedding bolts to penetrate through are formed in the position, corresponding to the embedding bolts, of the plate surface of the lower mold body, and an operation hole is formed in the center position of the plate surface of the lower mold body; adjusting sleeves are correspondingly arranged at four corners of the bottom plate of the lower mold body; and the upper formwork is correspondingly provided withpositioning holes for the embedding bolts. During construction operation, the main mold body and the auxiliary mold body are both arranged on a precast beam bottom seat, the height of the main mold body can be changed through rising and falling of adjusting bolts connected with the adjusting sleeves so as to adapt to the thickness of the wedge block, and the embedding bolts are positioned throughthe adjusting holes. The work time is effectively shortened as the auxiliary mold body is integrally precast, and the main mold body is adjustable and easy and convenient to operate, and high practicability is achieved.

The present invention discloses a flip-chip semiconductor package and a chip carrier thereof. The chip carrier includes a groove formed around a chip-mounting area. The groove may be formed along a periphery of the chip-mounting area or at corners thereof. The groove is filled with a filler of low Young's modulus so as to absorb and eliminate thermal stress, thereby preventing delamination between an underfill and a flip chip mounted on the chip-mounting area.

The invention discloses a medical nursing box. The medical nursing box comprises a medical nursing box main body, a top cover is mounted at the top of the medical nursing box through a hinge, a fixingrod is mounted at the top of the top cover, a locking mechanism is arranged on the front surface of the medical nursing box main body, the bottom of the top cover is connected with a protection pad,and handles are correspondingly mounted on the two sides of the medical nursing box main body. According to the medical nursing box, through matched using of a pressing rod and a connecting column, the top cover in a closed state can be conveniently and effectively locked, operation in opening is easy and convenient, the structure is simple, and using of an operator is convenient; and through matched using of a groove pad and a support spring, the impact on the top cover is relieved when the top cover is closed, the stability of the structure is enhanced, edges and corners of the top cover canbe protected, and the service life of equipment is prolonged.

The invention provides a novel carton structure. The novel carton structure comprises a corrugated board, the corrugated board is arranged to be in the shape of a cross, the corrugated board is divided into a base board body, a left side board body, a right side board body, a front side board body and a rear side board body through vertical pressing lines and horizontal pressing lines, round holes are formed in the adjacent lateral edges of the left side board body, the right side board body, the front side board body and the rear side board body, and a packaging rope is arranged in the round holes to connect the base board body, the left side board body, the right side board body, the front side board body and the rear side board body to form a corrugated carton body. The novel carton structure has the advantages that when the novel carton structure is used for storing objects, the side board bodies and the base board body are placed flatly and the carton body is fixed through the packaging rope; when the objects need to be taken out, the packaging rope is untied and the objects are taken out; the round holes in the carton body enable the air permeability of a carton to be good, the parts, located outside the carton body, of the packaging rope protrude out of the carton body to serve as protective corners, and therefore the corners of the carton are protected.

The invention discloses an automobile front bumper. The bumper comprises a front bracket, a middle net, an inner skeleton, a bumper, a lower bumper and an upper grid, wherein the front bracket is used for supporting one side of the middle net; the other side of the middle net is connected with the inner skeleton; the inner skeleton is supported on the bumper; the lower bumper is arranged outside the bumper; the upper grid is arranged in the middle of the outer side of the lower bumper; and a front bumper left washer and a front bumper right washer are respectively arranged at the left and right sides of the upper grid, are both rubber materials, and are 1-20 mm thick. The front bumper left washer and the front bumper right washer are respectively arranged at the left and right sides of the upper grid, so that the automobile front bumper can effectively protect the corners of the bumper, and can guarantee the service life and the safety performance of the front bumper.

The invention discloses a formwork construction device for visualized construction of a column. The device comprises a base frame, a formwork unit, a height adjustment mechanism, a discharge head moving unit and a concrete lifting unit; the upper surface of the base frame is fixedly provided with four fixed sleeves distributed in an array, a sliding rod is slidably connected in each fixed sleeve,the tops of the sliding rods are correspondingly connected to the four corners of a top frame, and a concrete lifting unit is installed at the bottom of the top frame; and the height adjustment mechanism is fixedly connected between two crossbars of the bottom frame, and a horizontal part of an L-shaped connecting rod of the height adjustment mechanism is connected to the side face of the top frame. By means of the formwork construction device and method for visualized construction of the column, the corners of a transparent board can be protected, the expandability is high, formworks can be spliced according to different sizes, the good applicability is achieved, the manual labor intensity is low, safety of workers is facilitated, and the construction efficiency is improved.

The invention relates to the field of doorframe profiles and discloses a method for welding a doorframe profile. The method comprises the following steps of: firstly, cold-pressing and molding a metal plate in a metal doorframe machine; secondly, aligning two sides of one doorframe profile along the end parts, and trimming a seam; thirdly, aiming at the seam by using the welding gun of an argon arc welding machine to weld fully; fourthly, cooling the welded doorframe profile by using two cold water valves with a certain space; fifthly, keeping straight the cooled doorframe profile and correcting each angle; sixthly, sending to a correcting machine to correct, and finally, sending to a cutting machine to cut into doorframes with lengths as required. The invention is to provide a method for welding the doorframe profile, and the provided welding doorframe profile has no bumps and has the characteristics of attractive appearance and longer service life.

The invention discloses a panel computer convenient to fix. The panel computer includes a panel computer body, a rear shell, a fixing plate and protection covers. A power switch is embedded on the panel computer body. An indicator light and an electromagnet switch are respectively disposed on two sides of the power switch. The rear shell is fixedly mounted on one side of the panel computer body. The protection covers are disposed in a sleeving manner at all four corners of the panel computer body. Second iron blocks are embedded on all two side walls of each protection cover. Permanent magnets are fixed on all four corners of an inner side of the rear shell. Three electromagnets disposed in a parallel manner are embedded in the middle of the rear shell. Three first iron blocks are embedded on the fixing plate. Positions of the electromagnets correspond to positions of the first iron blocks one by one. Four fixing blocks are welded onto the fixing plate. Each support plate is disposed between the two fixing blocks. One end of each support plate is provided with a rotating member. Through-holes are provided inside all of the rotating members and the fixing blocks. Pin shafts are inserted in a penetrated manner in the through-holes. Horizontal plates and suckers are disposed on the support plates to enable an entire support structure to be more stable. The panel computer is reasonable in design, and suitable for promotion use.

The invention discloses a corner protective casing for wooden furniture. The corner protective casing for the wooden furniture comprises a first lateral plate (1) and a second lateral plate (2) which are in an integral structure; the first lateral plate (1) and the second lateral plate (2) are perpendicular to each other; bolt installation holes (3) are formed in the first lateral plate (1) and the second lateral plate (2); protective edges (2) which are uniformly distributed are arranged on the surfaces of the first lateral plate (1) and the second lateral plate (2); the bolt installation holes (3) are formed in grooves (5) which are formed between the adjacent protective edges (4). The corner protective casing for the wooden furniture has the advantages of being good in protective effect, firm and reliable, strong in wear resistant capability, simple in structure and low in cost.

A method for forming a split gate flash device is provided. In one embodiment, a semiconductor substrate with a dielectric layer formed thereover is provided. A conductor layer is formed overlying the dielectric layer. A masking layer is deposited overlying the conductor layer. A light sensitive layer is formed overlying the masking layer. The light sensitive layer is patterned and etched to form a pattern of openings therein. The masking layer and the conductor layer are etched according to the pattern of openings in the light sensitive layer. The conductor layer is etched at the outer surface area between the conductor layer and the dielectric layer to form undercuts. The dielectric layer is etched to form a notch profile at the outer surface area between the conductor layer and the dielectric layer and portions of the substrate are etched to form a plurality of trenches. An isolation layer is filled over the plurality of trenches and the masking layer. The masking layer and portions of the conductor layer and isolation layer are etched away, wherein a portion of the isolation layer is preserved in the notch profile.

The invention relates to a double-sided blackboard for electronic engineering teaching. The double-sided blackboard for electronic engineering teaching comprises a main body and discs, an upper protection plate is arranged at the top end of the main body, the main body and the upper protection plate are fixedly connected, movable grooves are fixed to the inner side of the upper protection plate, and the upper protection plate and the movable grooves are fixedly connected. Connecting rods are connected to the inner side of the movable grooves, the movable grooves are connected with the connecting rods in a welded mode, sandwich plates are arranged at the bottom ends of the movable grooves, and installation plates are fixed to the middle parts of the sandwich plates. The double-sided blackboard has the beneficial effects that the movement of clamping pins between the installation plates and the sandwich plates enable the sandwich plates to be clamped to the surface of the main body, andteaching adjusting can be performed according to electronic engineering teaching courses; when the blackboard is required to be written, the installation plates and the clamping pins can be opened forteaching; and when multimedia teaching is required, the clamping pins can be clamped to the sandwich plates for teaching, the problem of poor reflection effect of the blackboard can be avoided, and the quality of multimedia teaching is improved.

The invention discloses a protection device for management of a capacitive touch screen and an mounting method thereof. The protection device comprises a base, supporting arms are distributed on the base in the circumferential direction, screen protection single bodies are arranged on the supporting arms, each screen protection single body comprises a corner protection assembly, a side connecting arm and a bottom wrapping and clamping assembly, and each corner protection assembly comprises an L-shaped middle plate, two L-shaped protection plates and an elastic clamping piece, wherein the two L-shaped protection plates are limited on the L-shaped middle plates through the elastic clamping pieces; the two adjacent L-shaped middle plates are connected through the side connecting arms, and the bottom wrapping and clamping assemblies are connected with the side connecting arms. The mounting method comprises the following steps: (a) mounting the corner protection assemblies; (b) forming the protective screen single bodies; (c) carrying out stacking; and (d) mounting on a seat. The protection device is novel in structure, convenient to disassemble, suitable for touch screens of different specifications, high in applicability, high in safety and convenient to manage, the mounting method is easy to operate, low in difficulty, high in efficiency, orderly in sequence, convenient to position, labor-saving, convenient and easy to adjust, and the mounting quality is guaranteed.