35results about How to "Improve environmental reliability" patented technology

A prism unit includes a prism having at least one optical surface in its inside, and a prism base disposing the prism, the prism base including at least three seating surfaces that are attached to a surface orthogonal to the optical surface of the prism, a seating surface bonded part that is bonded to the prism by an adhesive. At least the three seating surfaces and the seating surface bonded part are symmetrically arranged on the optical surface of the prism.

The invention discloses an ultrathin nano-scale anticorrosion coating and a self-leveling dip-coating process thereof. The ultrathin nano-scale anticorrosion coating does not contain metal and has ultra-strong scraping resistance, wear resistance and corrosion resistance. The coating has a good self-leveling effect in a coating process and can be used for replacing traditional electro-galvanizing and hot galvanizing processes, and after dip-coating, a coating layer is ultra-thin, wide in adaptability and low in production cost. According to the technical scheme, the ultrathin nano-scale anticorrosion coating contains the following components in percentage by weight (100% in total): 10%-40% of modified resin, 2%-5% of a curing agent, 0.1%-0.5% of a curing accelerator, 2%-8% of an anticorrosion inhibitor, 1%-2% of a nano-scale wax powder, 0.01%-0.05% of graphene powder, 5%-15% of a metal composition and 30%-70% of a solvent.

This invention discloses a method for improving solder quality of CB and a device, in which, the method includes: spraying scaling powder on the CB, blowing the scaling powder on the lower surface of the CB in the through--ole of the CB to increase the coating volume of the powder in the through-hole and wash out the OSP coating of the hole wall to increase the solder ability of the hole, removing the scaling powder coated on the solder resistant film of the lower surface of the CB to reduce residual ions of the welded CB, preheating the CB welding the CB by a wave crest welder.

An optical information recording medium 1 is constructed by sequentially layering a reflective layer 11, a protective layer 12, a recording layer 13, a protective layer 14, and a light transmissive protective layer 15 on a substrate 10. As the recording layer 13, a recording layer containing ZnS, SiO2, and Sb as principal components, or preferably, a recording layer expressed by a compositional formula [(ZnS)x(SiO2)1-x]y(SbzX1-z)1-y (where 0<x≦1.0, 0.3≦y≦0.7, and 0.8<z≦1.0 are met and X denotes at least one element selected from a group of Ga, Te, V, Si, Zn, Ta, and Tb) is adopted.

A thin film transistor comprises: a substrate and an active layer made of a metal oxide disposed on said substrate, said active layer being adjacent to a gate stack;the active layer is partially covered with an electrode, and an insulating layer is further included between the electrode and the active layer; wherein the active layer forms a source region and a drain region in a region covered by the electrode, and a region under which the electrode is not covered forms a channel region. The present invention also relates to a thin film transistor manufacturing method and a display panel having the above-described thin film transistor. The thin film transistor described above has both a small size of a conventional back channel etched structure transistor and a superior performance over conventional etching barrier structure transistors, including low source and drain parasitic resistance, better on-state and off-state performance, Enhanced reliability. The display panel with the above-described thin film transistor has the advantages of high performance, high reliability and low cost, and more in line with the development trend of the display panel.

A method for reliably soldering microwave dielectric ceramics with metal adopting the way of vapor soldering, a strict process of heating up, then soldering under heat preservation and finally cooling is provided. Therefore, thermal stress generated during the soldering of dielectric ceramics and metal material is reduced, reliability of a solder structure is ensured, porosity of the soldering side is effectively lowered, soldering quality is improved, soldering cost is reduced, and the demand of large-scale production can be met.

The present invention provides an optical film which facilitates the immobilization of liquid crystal orientation, can realize the wavelength dispersion of small birefringence, can be easily manufactured at a low cost in industrial view and can also be exactly regulated in optical characteristics, such as wavelength dispersion of the birefringence, is immobilized with the desired orientation state and can be made uniform and larger in area. The optical film is composed of polyester including a structural unit derived from 1,1'-bicyclohexyl-4,4'-dicarboxylic acid and a structural unit derived from an aromatic diol-based compound of an ortho body and is obtained by cooling the orientation state formed during the thermal orientation of the polyester to its glass transition temperature or below so as to immobilize the orientation state.

Provided is a double-sided pressure-sensitive adhesive sheet with release sheets, which is not charged with static electricity even when wound, cut, or stacked, more specifically, a sheet which comprises a pressure-sensitive adhesive layer and two release sheets provided on both surfaces thereof, wherein the surface on the pressure-sensitive-adhesive-layer side of at least one release sheet and the surface on the non-pressure-sensitive-adhesive-layer side of at least one release sheet are configured so as to exhibit electroconductivity.

An electromagnetic-wave suppressing material is provided. The electromagnetic-wave suppressing material includes an ionic liquid and nanometer-order particles mixed with the ionic liquid, where 10 wt % or more of the nanometer-order particles is mixed with respect to 100 wt % of the ionic liquid.

The invention discloses a method for realizing stable output of a laser device, and a laser device system. According to the invention, the heat regenerating condition of each heat regenerating component in a laser device is calculated through measurement and analysis, the refrigerating capacity required to be kept in the optimal working state of the laser device is simulated, and the temperature of each heat regenerating component in the laser device is detected in real time while the refrigerating capacity of each heat regenerating component in the laser device in a cooling scheme is corrected in time according to the comparison of the detected real-time temperature and the temperature in an optimal cooling scheme, so that the purpose of finally realizing the optical-mechanical heat balance of the laser device starting from the global domain is achieved. With the method and the system, the laser device has the product performances of strong environment self-adaptive capability, good output light beam quality and excellent long-time working stability.

The invention discloses an SMA type radio frequency coaxial connector with a novel structure. The SMA type radio frequency coaxial connector comprises a casing for connecting a cable and a connectingscrew which sleeves an outer side of a front end of the casing. The casing is provided with a threading hole penetrating through the front and the back of the casing, an insulator is engaged at a front end of the threading hole, an inner conductor is engaged in the insulator, a bushing and a screw are orderly set from the inside to the outside at a back end of the threading hole, a front end of the bushing abuts against the insulator, a back end outer side of the bushing is sleeved with a pressing sleeve, and the bushing, the pressing sleeve and the insulator are pressed in the threading holeby screws. The SMA type radio frequency coaxial connector of the invention has the characteristics of compact structure and convenient installation, that an inner conductor does not have relative displacement when the connector is assembled into a cable component to be used and tested can be ensured, and the reliable signal transmission is ensured.

The invention discloses a method for preparing a chip ceramic PTC thermistor surface protection layer. The method comprises the following steps: S1. mixing and ball-milling inorganic powder, an organic solvent and a dispersing agent according to a proportion of 100: (60-100): (0.6-1) to obtain a slurry precursor used for preparing the surface protection layer, wherein the inorganic powder comprises 70.0-90.0% of barium titanate, 2.0-10.0% of silicon dioxide, 2.0-10.0% of aluminum oxide, 2.0-5.0% of calcium oxide, 0.5-5.0% of lithium carbonate and 0.5-2.0% of bismuth trioxide; S2. adding an adhesive into the slurry precursor for mixing and ball-milling to obtain protection layer slurry, wherein the mass ratio of the adhesive to the inorganic powder is (6-10):100; S3. coating the protection layer slurry on the surface of a chip ceramic PTC thermistor blank, and sintering the chip ceramic PTC thermistor blank coated with the protection layer slurry at 1150-1250 DEG C to obtain the surface protection layer which is dense, high in insulation resistance and resistant to acid and alkali and is suitable for subsequent plating treatment of chip ceramic PTC.

The present invention relates to an optical film wherein fixing of liquid crystal alignment can be easily accomplished, which optical film can realize a wavelength dispersion of low birefringence and from the industrial point of view, is inexpensive and can be easily produced. The optical film enables accurate regulation of optical characteristics, such as wavelength dispersion of birefringence, to desired value and enables fixing of desired alignment state, being uniform and able to attain area expansion. In particular, an optical film comprising a polyester comprising structural units derived from 4-(4-carboxycyclohexyl)benzoic acid and structural units derived from an aromatic diol compound of ortho form, wherein the state of alignment created at thermal aligning of the polyester is fixed by cooling to temperature of not above the glass transition temperature.

An optical information recording medium in which recorded information is stably stored for long time in the initial state, signals are not deteriorated by a laser beam for reproduction at the time of signal reproduction, the quality does not change in normal long-term storage, the write characteristic is held, a manufacturing cost is reduced, a margin in the manufacture process is assured, and excellent recording / reproducing characteristics are obtained in the wide range of linear speeds and recording powers is provided. An optical information recording medium 1 is formed by sequentially stacking a first information recording layer 11, an intermediate layer 12, a second information recording layer 13, and a protection layer 14 on a substrate 10. As a material of a recording layer 13b of the second information recording layer 13, a material having a composition expressed by [(ZnS)x(SiO2)1-x]y(SbzX1-z)1-y (where 0<x≦1.0, 0.3≦y≦0.7, 0.8≦z≦1.0, and X is at least one element selected from the group consisting of Ga, Te, V, Si, Zn, Ta, Sn, and Tb) is used.

The invention discloses a selective sintering process of a printed circuit. A non-conducting material is selected for manufacturing a base material; the surface of the base material is covered with conducting ink through a printing process; the base material covered with the conducting ink is placed aside so as to remove a solvent in the conducting ink after the conducting ink is dried, or the base material covered with the conducting ink is placed in a baking furnace to be baked at a temperature lower than the softening temperature or denaturation temperature of the base material so as to remove the solvent in the conducting ink; induction heating equipment is used for carrying out induction heating on the base material which has been dried or baked at the low temperature, namely, the base material which has been dried or baked at the low temperature is placed near an induction coil, an electric induction furnace of a specific frequency is selected according to the base material and the conducting ink material, power is adjusted, heating time is set, and heating is carried out; after heating is completed, the printed circuit product can be obtained. By means of the process, selective heating of the printed circuit is achieved, namely, heating is only carried out on the conducting material but not the non-conducting base material, and therefore high-temperature sintering of the printed circuit is achieved, and good electric conductivity is achieved.

The invention relates to a low-resistance high-reproducibility PTC over-current protection element, which has a function of effectively improving the environmental reliability of a product and is a low-resistance surface-mounted polymer PTC over-current protection element mainly made of a polymer PTC composite sheet and having excellent environmental stability. The side surface of theprotection element, or the side surface and the front surface of the protection element is provided with a coating layer or a plating layer, so that the conductive composite material base layer is isolated from the external environment. The low-resistance high-reproducibility PTC over-current protection element has the following characteristics that 1, any combination surface of the four side surfaces of the element is coated with a coating layer or a plating layer, and one front surface can be coated with or not coated with the coating layer, so that the polymer PTC composite sheet of the element is isolated from the environment, and the resistance reproducibility of the product is improved; 2, the conductive holes playing a role in electrical connection are positioned on two sides of the element, so that the element has good welding performance; and 3, the structure of the existing product is not changed, and the existing assembly mode can be completely adopted.

The invention discloses a high-precision circuit board and a manufacturing method thereof. The circuit board comprises a supporting bottom plate and a conductive circuit arranged on the supporting bottom plate, the supporting bottom plate is a polyimide film formed on a flat glass mother plate; the conductive circuit is a metal layer, the metal layer is provided with a pattern corresponding to theconductive circuit, and the forming conditions of the metal layer comprise that the supporting bottom plate is located on the flat glass mother plate, the metal layer is deposited on the supporting bottom plate in a magnetron sputtering mode, and the metal layer forms a pattern corresponding to the conductive circuit through a photoetching process. The polyimide film is formed on the flat glass mother board to serve as the supporting bottom plate, the supporting base plate is flatter and smoother, when the supporting base plate is located on the flat glass mother plate, the metal layer with very high uniformity is plated on the supporting base plate in the magnetron sputtering mode, the circuit precision can reach the level of 10 micrometers or above through patterning of the photoetchingprocess, and the circuit density can also be remarkably improved.

An optical information recording medium 1 is constructed by sequentially layering a reflective layer 11, a protective layer 12, a recording layer 13, a protective layer 14, and a light transmissive protective layer 15 on a substrate 10. As the recording layer 13, a recording layer containing ZnS, SiO2, and Sb as principal components, or preferably, a recording layer expressed by a compositional formula [(ZnS)x(SiO2)1-x]y(SbzX1-z)1-y (where 0<x≦1.0, 0.3≦y≦0.7, and 0.8<z≦1.0 are met and X denotes at least one element selected from a group of Ga, Te, V, Si, Zn, Ta, and Tb) is adopted.

The invention discloses a method for sealing a signal transfer belt of a liquid crystal screen. The method for sealing a signal transfer belt of a liquid crystal screen includes: step 1, connecting the FPC and the signal transfer belt through a heterosquare conductive adhesive film by hot pressing; Apply sealant to the hot-pressed position of the FPC and the signal transfer belt, and paste anti-static tape; step 3, after the sealant is cured, apply the sealant around the FPC and the signal transfer belt, and stick it again Cover with anti-static tape. The liquid crystal screen signal transfer belt sealing method solves the problems of blurred screen, black screen, white screen and the like that occur due to comprehensive environmental stress.

PROBLEM TO BE SOLVED: To provide an optical film which facilitates the immobilization of liquid crystal orientation, can realize the wavelength dispersion of small birefringence, can not only be easily manufactured at a low cost in industrial view but also can be exactly regulated in optical characteristics, such as wavelength dispersion of the birefringence, to a desired value, is immobilized with the desired orientation state and can be made uniform and larger in area. SOLUTION: The optical film is composed of polyester including a structural unit derived from 4-(4-carboxycyclohexyl)benzoic acid and a structural unit derived from an aromatic diol-based compound of an ortho body and is obtained by cooling the orientation state formed during the thermal orientation of the polyester to its glass transition temperature or below so as to immobilize the orientation state.

The invention discloses a denitration control method based on NH3 measurement. The denitration control method comprises the following steps: acquiring NH3 measurement values of a plurality of measurement points in a flue, controlling an ammonia spraying amount of an area corresponding to the flue according to the NH3 measurement value, calculating a PID feedforward value according to a preset broken line function, and controlling an NOx concentration of a denitration outlet according to the PID feedforward value. The invention further discloses a denitration control system based on NH3 measurement and a thermal power generating unit comprising the denitration control system based on NH3 measurement. According to the denitration control method based on NH3 measurement, through multi-measuring-point NH3 parameter monitoring, a basis can be provided for an operator to adjust the opening degree of the ammonia spraying valve, so that the ammonia spraying amount of each area is more reasonable, the problem of excessive spraying or insufficient spraying of NH3 is effectively prevented, and the occurrence of blockage of an air preheater can be effectively reduced, meanwhile, the PID feedforward value is introduced into the denitration control system, so that the control reliability of the denitration control system can be effectively improved, and the environmental protection reliability is improved.

The invention discloses a NH-based 3 Measured denitrification control method, including: obtaining NH at several measuring points in the flue 3 measured value; according to the NH 3 The measured value controls the amount of ammonia injection in the corresponding area of ​​the flue; the PID feedforward value is calculated according to the preset broken line function; the NOx concentration at the denitrification outlet is controlled according to the PID feedforward value. The invention also discloses a NH-based 3 Measurement of the denitrification control system and including the above NH-based 3 Measurement of the denitrification control system of the thermal power unit. The above is based on NH 3 Measured denitrification control method through multi-measuring point NH 3 Parameter monitoring can provide operators with a basis for adjusting the opening of the ammonia injection valve, making the amount of ammonia injection in each area more reasonable and effectively preventing NH 3 The problem of overspray or underspray can effectively reduce the occurrence of air preheater clogging; at the same time, by introducing the PID feedforward value into the denitration control system, the reliability of the denitration control system can be effectively improved, and the reliability of environmental protection can be improved.

PROBLEM TO BE SOLVED: To provide an optical film which facilitates the immobilization of liquid crystal orientation, can realize the wavelength dispersion of small birefringence, can be easily manufactured at a low cost in industrial view and can also be exactly regulated in optical characteristics, such as wavelength dispersion of the birefringence, is immobilized with the desired orientation state and can be made uniform and larger in area. SOLUTION: The optical film is composed of polyester including a structural unit derived from 1,1'-bicyclohexyl-4,4'-dicarboxylic acid and a structural unit derived from an aromatic diol-based compound of an ortho body and is obtained by cooling the orientation state formed during the thermal orientation of the polyester to its glass transition temperature or below so as to immobilize the orientation state.