83results about How to "No flash" patented technology

To provide a compact and thin optical device that can simplify a manufacturing process, and suppresses optical noise, and to provide a method of manufacturing the optical device. The optical device comprises a light detection region 14; a peripheral circuit region 16 formed at the outer-periphery section of the light detection region 14; an electrode region 18 formed at the outer periphery of the peripheral circuit region 16; an optical element 10 having a plurality of microlenses in the light detection region 14; a transparent member 22 arranged on the optical element 10; and a transparent resin adhesive 26 for adhering and fixing the transparent member 22 onto the circuit formation surface of the optical element 10. A roughening region 24 having a sawtooth-like cross section is formed on an adhesive surface with the optical element 10 at a portion overlapping with the outer-periphery region of the light detection region 14 flatly in a plane view in the transparent member 22.

The invention provides an anti-dazzle which has a resin base material film and a hard coating layer laminated on the resin base material film surface and having micro concavo-convex shapes on the surface; the hard coating layer is made of a light transparent resin with at least one kind of resin particles dispersed therein; the hard coating layer has a surface haze of 1%-10% and an inside haze of 10%-20%; the volume change rate of the resin particles is above 10% when dipped in vinyl acetate for under 23 degrees centigrade for 48 hours. And the invention further provides an anti-dazzle polarizer and an image display apparatus using the anti-dazzle film.

Provided is an achievement method of an integral combined-tooth gear based on closed warm forging. After a lubricant is sprayed to the surface of a preheated rod material and the rod material is heated to reach forging temperature, the integral combined-tooth gear is obtained through closed warm forging treatment including reshaping, blank making, pre-forging, finish forging and punching. The integral combined-tooth gear meeting the dimensional precision and performance requirements can be produced under the conditions of lower temperature and higher material utilization rate.

The invention provides an application of an aqueous ink-jet ink in a tipping paper digital printing technology, and belongs to the technical field of printing. The novel application of the tipping paper digital printing technology is carried out under the requirements of related quality standards. Through a series of technological improvements on the formula of aqueous ink-jet ink dedicated for tipping paper digital printing, preparation, and printing process, finally two technology namely digital printing and tipping paper production are successfully combined. After detection, the printing layer thickness, glossiness, leveling property, surface tension, adhesive force, and safety of the tipping paper all meet the related quality standards. The tipping performance in the subsequent processing step can also meet the using requirements. The production is quick and flexible. At the same time, the printing quality is stable. The tipple paper will not have quality defects in subsequent processing step. The using requirements of digital printing and tipping paper processing can be satisfied at the same time. The application range of digital printing is enlarged. At the same time, the tipping paper production efficiency and product quality are both improved.

The invention provides a full-automatic cast welding machine for a storage battery. The full-automatic cast welding machine solves the technical problem that a conventional cast welding machine cannotcast-weld the storage battery continuously according to a technical scheme that symmetrical feed inlets are formed in the top of a shell and are matched with a slidably arranged tray, the other unoccupied material holding tank on the tray is loaded through one feed inlet when the tray carries one storage battery to move below a positioning mechanism to be cast-welded, the previously loaded storage battery is just transferred below the positioning mechanism to be cast-welded when the previous storage battery which is cast-welded is transferred to the corresponding feed inlet to be output, andthe output unoccupied material holding tank is just re-supplemented in the process of cast-welding the storage battery for waiting for cast-welding, so that the processing efficiency of the storage battery is improved and the structure of the cast welding machine is simplified.

The invention provides a high-strength and high-reliability-sealing radial friction welding method for a steel pipe fitting. According to the method, a clamping mode that a rotary pressurizing tool (30) clamps a steel ring welding blank (10) and fixed clamping tools (40) clamp two steel pipe welding blanks (20) respectively is adopted, and the radial friction welding mode that the steel pipe welding blanks (20) at the two ends do not rotate, the steel ring welding blank (10) rotates and pressurizes, and annular grooves (21) are formed in the welding positions of the steel pipe welding blanks (20) at the two ends is adopted; radial friction welding of a large-length steel pipe is achieved, high coaxiality of the welded steel pipe is guaranteed, meanwhile, radial run-out caused by self-rotation of the large-length steel pipe is effectively avoided, welding flashes or weld beading and the like in the pipe are avoided, the welding quality is guaranteed, the annular grooves (21) form a double-spigot locking structure, and the welding strength and the high-reliability-sealing performance of a weldment are ensured.

The invention relates to a reforming method and a mold of an automobile rear axle driven gear forging piece; the method comprises the following steps: prepare a semi-finished product-a chambering piece of the driven gear forging piece, place the manufactured chambering piece into a reforming mold cavity and reform the driven gear forging piece; the mold comprises a male mold, a female mold and a stripper plate, wherein the female mold is composed of a floating mold and a closed cavity formed by a pair of rollers; the invention can effectively reform the chambering piece of the driven gear, eliminate the disadvantages of concave pit, oval shape and distortion of the surface of the chambering piece, adopt equipment with low load and simple structure can effectively reform the driven gear forging piece of the automobile rear axle and saves more than 10 percent of raw material; for instance, the driven gear forging piece with 430mm of outer diameter is reformed, the needed load is 6300kN and the blanking weight is 36 kilograms.

The invention discloses low-temperature curing conductive silver paste with high conductivity and low silver content and a preparation method thereof. The conductive silver paste is composed of 5-30 wt% of homemade nano sheet-shaped silver powder, 9.6 wt% of polymer resin, 0.5-3 wt% of a conductive accelerant and 57.4-84.9 wt% of a solvent. The preparation method comprises the following steps: 1)preparing an organic carrier; 2) selecting according to the weight percentage of the formula; 3) weighing the solvent and the conductive accelerant according to the formula, and uniformly mixing; 4) adding the homemade nano sheet-shaped silver powder according to the formula, and uniformly dispersing; and 5) adding polymer resin according to the formula, and stirring until uniform conductive silver paste is formed. The conductive silver paste is excellent in conductivity after being cured into a film, the adhesive force reaches the zero level, and the silver content in the paste is greatly lower than that of commercial conductive silver paste (50-90 wt%). Therefore, the production cost is greatly reduced, and the conductive silver paste and the preparation method has a wide market application prospect.

The invention relates to a semiconductor device package structure, in particular to a package structure of a miniature semiconductor device, which comprises lead frames and a wafer electrically connected with the lead frame, and integrated package housing. The wafer is sandwiched between the lead frames, and the lower surface of the lead frames below the chip is exposed to the outside of the package housing. The invention has the advantages of compact structure, low manufacture cost, good heat dissipation effect and effectively improved unit power density.

The invention provides a double-color injection molding product. The double-color injection molding product is manufactured by a synchronous double-color injection mold; the mold comprises a panel, afixed template, a fixed template guide sleeve, a guide column, a movable template, a mold foot, an ejector pin cover plate, an ejector pin push plate, a bottom plate, stud push rods, a mold core insert, sprue bush fastening screws, an upper sprue bush, a lower sprue bush, sprue bush locating pins and other parts. The double-color injection molding product manufactured by the synchronous double-color injection mold is good in forming quality, and black spots and color mixture are greatly improved.

The invention relates to the field of rubber vulcanization, and particularly relates to a rapid vulcanization forming process for rubber parts, and a die. According to the rapid vulcanization forming process disclosed by the invention, an injection vulcanization process is adopted, a used injection die-pressing chamber is divided into an upper part and a lower part, the upper part is a pre-vulcanization cavity, the lower part is a vulcanization cavity, and a pin-point gate is arranged in the bottom of the vulcanization cavity. According to the rapid vulcanization forming process disclosed by the invention, double compounds are heated in one process through an injection die, injection vulcanization process is carried out in two times, and because the compound in the vulcanization cavity is in a positive vulcanization phase, the physical performances of the compound are far higher than those of the compound in a pre-vulcanization phase in the pre-vulcanization cavity. Therefore, the added compound can be prevented from being mixed with the compound in the vulcanization cavity, and quality of the rubber parts cannot be influenced. The cycle is continuously repeated, and a vulcanization time for the rubber parts can be reduced by half, thus the production efficiency is greatly improved.

The invention provides an improved oil seal type mold, which comprises an upper mold, a middle mold, a lower mold, a first mold core and a second mold core, wherein the upper mold, the middle mold andthe lower mold are in vertical arrangement; the middle mold is provided with a first die cavity; the top end of the lower mold is provided with an annular support table which extends into the first die cavity and is used for supporting an oil seal framework; the first mold core is arranged in the first die cavity; the bottom end of the first mold core is abutted against the lower mold; the secondmold core is arranged in the first die cavity; the second mold core is abutted against the first mold core; the bottom end of the upper mold is provided with an annular table extending into the firstdie cavity; in the mold matching state, a die cavity is formed among the upper mold, the middle mold, the lower mold, the first mold core and the second mold core; the die cavity is communicated witha glue injection flow passage; a glue injection opening is formed in the upper mold; a glue injection flow passage for connecting the glue injection opening and the die cavity is formed between the upper mold and the second die cavity. The non-flash design and the flash cutting process are used; shaping is used in four parts; the non-flash design is used in three positions; only the flash in theglue inlet position need to be cut.

A method for designing a gear forging die by three-order non-uniform rational B-splines includes: determining feature points K1, K2, K3 and K4 representing symmetrical basic shape of a gear forging shaft, and using the feature points as basis for the design of three-order non-uniform ration B-spline cures and surfaces for the gear forging die; allowing the contour profile of a formed upsetting impression to be curves when determining the shape of the formed upsetting impression, and allowing points of segments in the curves of the formed upsetting impression to correspond to the feature points K1, K2, K3 and K4 of a gear forging respectively. The complex process of preforming, upsetting and final forging for the gear forgings is simplified, performing of the complex gear forgings can be completed by two procedures, single heating and one tool set, and accordingly cost is effectively lowered and work efficiency is improved.

The invention discloses an intelligent double-guide-post hydraulic tire shaping vulcanizing machine and a mold changing method thereof. Ascending and descending position displacement detection devicesin a cross beam mold opening and closing position, a shaping position and a mold closing locking mechanism entering and exiting position are connected with an electric control system to reach the goals of controlling the cross beam mold opening and closing, shaping, and mold closing locking mechanism entering and exiting position; the displacement of an upper cross beam is detected through a displacement detection device; the digital and intelligent no-mold-regulating mechanism and mold-regulating-free intelligent mold replacement can be realized by matching an electric control system PLC anda control computer to set the position height; meanwhile, the digital and intelligent setting and automatic detection and control of the mold closing position and secondary steam inflating shaping position and mold opening limit position can be realized; the mold regulating and mold replacement time is reduced; the production efficiency is improved.

Disclosed are a light-adjusting power supply and a light-adjusting lamp which comprise a rectifier and a controllable silicon light adjuster connected with the power supply side of the rectifier; the light-adjusting power supply and the light-adjusting lamp are characterized in that a flash elimination resistor is in bridge connection with two power wires between the rectifier and the controllable silicon light-adjuster. At least a LED used as the light source load is connected between the other end without serial connection of the rectifier of the light-adjusting lamp and the other output end of the rectifier. The light-adjusting power supply and the light-adjusting lamp eliminate the flash phenomenon generated when the light source used as the load is adjusted to be in the low brightness.