12results about How to "Thin and light" patented technology

The invention discloses a method for making gray cowhide, which comprises: 1. selecting raw cowhide; 2. soaking and disinfecting with medicine solution; 3. removing hair and rotten flesh after washing; 4. scraping oil on the shelf; 5. putting ash on the shelf; 6. rinsing and scraping off residual ash and grease; 7. soaking and softening after washing; 8. soaking and repeatedly pushing with softener after drying on the shelf, and repeatedly grinding after unshelf; 9. repeatedly grinding and polishing; 10. applying oil while wet after washing and letting to penetrate to obtain gray cowhide. The invention soaks and softens the cowhide with tanning and softening liquid containing mirabilite, cinnabar and borax, so that the collagen fibers in the cowhide are softened and loosened and maintain a complete three-dimensional structure, so that the color of the product gray cowhide is white and the transparency is high, and the flexibility of the gray cowhide is greatly improved. The obtained gray cowhide is light, soft, translucent, and milky white in appearance, and the leather board is uniform in thickness, hard and tough, which is suitable for making high-end shadow puppets.

The invention provides a thermal dissociation process for a TGP product and application thereof, and belongs to the technical field of circuit board preparation, and the thermal dissociation process for the TGP product comprises the steps of glue preparation, copper reduction, flexible board cutting, line imaging, developing, etching, film removal DES, OQC sampling inspection, visual inspection, appearance processing, cutting, pretreatment, packaging and warehousing. According to the thermal dissociation process for the TGP product provided by the scheme, the prepared TGP product is relatively light and thin in thickness and relatively good in winding heat dissipation efficiency; and the temperature equalization performance is greatly improved.

The electric heating device of the present invention includes a heating panel, a heating element, a heat insulation component, a fixing shell, a temperature measuring element, and a socket. The heating element is located on the lower side of the heating panel and has a power receiving part. The heat insulation component has a heat insulation cavity with an upper opening for covering the heating element. The fixing shell has a shell cavity with an upper opening for accommodating the heat insulation component, and the upper end of the fixing shell is connected to the heating panel by an adhesive material. The temperature measuring element is installed at the bottom of the heat insulation component. The socket is fixed to the side of the fixing shell and electrically connected to the power receiving part and the temperature measuring element respectively through a power supply wire and a detection wire. The power supply wire is arranged in a power supply groove, and the detection wire is arranged in a detection groove. The interface end of the socket faces the side of the fixing shell. By providing a socket on the fixing shell, external wiring can be quickly connected to the socket of the electric heating device through a plug during assembly. This assembly method is simple, quick, reliable, and interchangeable, achieving modular packaging and good overall product integrity.

This utility model discloses a hypothermia prevention backpack, including a backpack and a vest, which are connected by stitching. The vest has an internal cavity and an air valve, allowing air to be inflated into the cavity. This utility model integrates the backpack and vest, breaking away from the traditional model where thermal equipment needs to be carried and put on / taken off separately. Users no longer need to predict the weather in advance or carry extra heavy clothing. In the event of severe weather or early signs of hypothermia, they can immediately inflate the vest cavity through the air valve to quickly build an insulating layer, greatly improving the immediacy and convenience of protection.

This utility model describes a thin wall socket with a storage state and a use state. The thin wall socket includes: a housing with a through hole extending to the outside; a floating member with a socket for inserting an external plug; and a plug assembly for inserting with an external connector. In the storage state, the floating member is located inside the housing, and the plug assembly rotates to be partially retracted into the housing. In the use state, the floating member protrudes from the housing through the through hole, and the plug assembly rotates to extend beyond the housing. In the storage state, the thin wall socket has a relatively small and lightweight size, making it easy for users to carry. When needed, the thickness of the thin wall socket increases to allow the insertion of an external connector, and the plug assembly extends to allow insertion into an external power strip. Therefore, the size of the thin wall socket can be flexibly changed, significantly improving its portability and applicability.

The invention discloses a collimated light beam homogenizer based on a liquid crystal flat plate lens pair, which comprises two groups of liquid crystal flat plate lenses which are oppositely arranged in parallel, each liquid crystal flat plate lens comprises a glass substrate, a light orientation layer coated on one plane of the glass substrate, and a liquid crystal polymer film coated on the light orientation layer, the first liquid crystal flat plate lens is used for introducing wavefront difference to an incident light beam, geometric phase distribution is annularly changed, and different phase gradients are formed from inside to outside, and the second liquid crystal flat plate lens is used for correcting the wavefront difference of the light beam passing through the first liquid crystal flat plate lens, so that the flat-topped light beam is collimated and emitted. According to the collimated light beam homogenizer based on the liquid crystal flat lens pair, accurate shaping of incident light beams is achieved through the liquid crystal director design, and the collimated light beam homogenizer has the advantages of being low in cost, small in size, high in flexibility and the like and is widely applied to the fields of laser processing, optical measurement, biomedical imaging and the like.

The utility model discloses a kind of graphene heating lamps, including support plate, LED lamp assembly is respectively arranged in the both sides of the support plate, graphene heating assembly is arranged between the LED lamp assembly, the graphene heating assembly includes top plate, frame is arranged in the bottom of the top plate, hollow portion is arranged in the bottom of the frame, graphene electrothermal film is covered in the hollow portion, starting power supply is installed in the top of the graphene electrothermal film, the starting power supply and graphene electrothermal film electrically connected. The present application takes graphene electrothermal film as core heating element, compared with the product using traditional heating component, volume can be designed more light and thin, and simultaneously because graphene heat conduction speed is fast, indoor temperature can be quickly and efficiently promoted.

The utility model provides an ultrathin alarm, which relates to the technical field of alarms and comprises a shell and a piezoelectric plate. A first stepped groove is formed in the bottom surface of the shell; a second stepped groove is formed in the groove bottom of the first stepped groove; the first stepped groove and the second stepped groove are coaxially arranged; a sounding hole is formed in the groove bottom of the second stepped groove in a penetrating manner; the groove bottom of the first stepped groove is provided with a positioning convex ring protruding downwards. The piezoelectric plate is placed in the first stepped groove, the upper end face of the piezoelectric plate abuts against the lower end face of the positioning convex ring, the lower end face of the piezoelectric plate is flush with the lower end face of the shell, and the outer circumferential wall of the piezoelectric plate is adhered to the inner circumferential wall of the shell through an adhesive. The ultra-thin alarm has the advantages that the piezoelectric patch is flush with the shell, and an original cover body structure is omitted, so that the structure is simpler, the thickness is lighter and thinner, lead transmission is more convenient, and meanwhile, the production cost of the whole alarm is also greatly reduced.

The application discloses a cavity type prefabricated segment assembled pier top beam and a construction method thereof. The top plate of the pier top beam is divided into a first top plate and a second top plate, the second top plate is located in the middle of the first top plate, the bottom plate is divided into a first bottom plate and a second bottom plate, the second bottom plate is located in the middle of the first bottom plate, the web plate is divided into a first web plate and a second web plate which are mutually attached, the pier top beam structure comprises a shell and an inner cavity part, the shell comprises the first top plate, the first bottom plate, the first web plate and a flange plate, and the shell is a prefabricated reinforced concrete component; the inner cavity part comprises the second top plate, the second bottom plate and the second web plate, and the inner cavity part is a cast-in-situ reinforced concrete structure. The prefabricated shell is light and thin, the prefabricated shell reduces the weight of the prefabricated segment by 30-50% compared with the prefabricated pier top beam, and is convenient for transportation and hoisting; the pier top segment beam has global stability and seismic performance, the wet joint design of the cast-in-situ beam is removed, the installation speed of the segment assembly is ensured, and the longitudinal splicing joint of the beam is reduced, and the safety of the beam is ensured.

The utility model discloses a radio frequency identification (RFID) card reader applied to an elevator, and relates to the technical field of RFID card readers. The RFID tag comprises a circular outer frame, a front panel embedded or attached to the front surface of the circular outer frame, and an RFID antenna plate installed between the circular outer frame and the front panel. A wave-absorbing electromagnetic film is arranged between the back surface of the RFID antenna plate and the circular outer frame; a nanometer double-faced adhesive tape for pasting is arranged on the back surface of the circular outer frame; according to the scheme, the round outer frame is made of the 6061 aviation grade aluminum alloy material subjected to surface anodic oxidation treatment, corrosion resistance is achieved, it can be guaranteed that fading does not occur for a long time, the size is small, and the structure is light and handy; the front panel adopts a film or glass structure, so that the front panel can be firmly attached to the RFID antenna board without influencing signals emitted by the RFID antenna board, and the sensitivity is high; the wave-absorbing electromagnetic film can effectively isolate signals between the metal and the antenna, and the problem that card swiping is not sensitive is solved.

Embodiments of the present application disclose a display module and a display device. The display module comprises a driving substrate, a cathode and a touch structure layer. The cathode is arranged on the driving substrate. The touch structure layer is arranged on a side of the cathode layer away from the substrate. The touch structure layer is provided with a first touch electrode and a second touch electrode arranged perpendicularly to each other. When the touch structure layer is subjected to an external pressing force, at least one of the first touch electrode and the second touch electrode is multiplexed as a first pressure sensing electrode, and the cathode is multiplexed as a second pressure sensing electrode. The present application aims to provide a functional layer capable of realizing touch and pressure sensing at the same time, so as to improve the integration of the display module.

The present application relates to the technical field of electronic product shell, in particular to a kind of glass fiber plate mobile phone back cover and preparation method thereof, including glass fiber plate layer, the shielding oil layer being arranged on the upper surface of the glass fiber plate layer, the ink layer being arranged on the upper surface of the shielding oil layer, the UV glue layer being arranged on the upper surface of the ink layer, and the release agent layer being arranged on the lower surface of the glass fiber plate layer, and the ink layer is at least provided three layers.The mobile phone back cover of the present application is made of glass fiber material, has the advantages of light and thin quality, high structural strength, and also has the physical texture, fashionable appearance, high aesthetic degree, greatly improves product appearance effect, and improves product competitiveness.