36results about How to "Meet the needs of packaging" patented technology

The invention discloses a method for quickly producing uniform core-shell type alloy solder balls. The method includes the following steps: weighing Cu, Sn and Bi alloys in the appropriate proportion prior to putting the alloy into a crucible, and closing the crucible and a vacuum chamber; heating to enable the metal to melt; jetting out the molten metal from holes in the bottom of the crucible, and performing jet breaking to form uniform small droplets under the condition of oscillation of a piezoelectric oscillator; feeding the uniform droplets into a spiral liquid nitrogen cooling device to form the core-shell type solder balls. The core-shell type solder balls produced by the one-step method have the advantages of high uniformity and high finished product ratio. The defects of complicated original preparation technology and particle nonuniformity are overcome. The requirements on electronic packaging of existing integrated circuits can be met, reliability in solder joint connection is improved, and application and popularization prospect is high.

The invention discloses a method and a device for improving the color temperature consistency of a white light LED (Light Emitting Diode) lighting device. The method comprises the following steps: step 1, firstly covering a light transmitting lens on an LED chip fixed on a substrate and spraying a layer of silica gel on the light transmitting lens, wherein the thickness of the silica gel is 10-1000 micron, and the LED chip is a blue light chip; step 2, spraying and fixing a layer of yellow fluorescent powder on the silica gel; step 3, supplying power to the LED chip so that the LED chip emits light, and detecting the color temperature of the light which transmits through the transmitting lens, the silica gel and the fluorescent powder by using a probe of color temperature detecting equipment; and if a preset light wave length range or a color temperature range is achieved, stopping the fluorescent powder spraying process and carrying out a next step, or else turning back to the step 2. By adoption of the method and the device for improving the color temperature consistency of the white light LED lighting device, the color temperature of the LED lighting device can be regulated on line, and the precision is high.

The invention relates to a cigarette packaging machine, which comprises a cigarette packet packaging device and a transparent paper packaging device. The cigarette packet packaging device is connected with a cigarette packet overturning device through a conveying device, and the cigarette packet overturning device is then connected with the transparent paper packaging device through the conveying device; and the cigarette packet overturning device comprises at least one rotating tower which is placed horizontally or vertically. The rotating towers can be placed in different modes, so that the direction of a cigarette packet entering a transparent paper packaging position can be flexibly changed, and requirements on packaging of cigarette packets at different pull strap head positions can be met.

The invention provides an agricultural wheat straw environmental protection treatment device. The device comprises a fixed base, a wheat straw crushing and stirring shaft structure, a wheat straw continuous feeding transmission belt structure, an environment-friendly dust recovery cover structure, an adjustable leakage-proof recovery plate structure, a wheat straw feed containing frame structure capable of being used for weighing, a material guide distributing cylinder, support base frames, a funnel, a manual regulating valve, a filter screen plate, a wheat straw treatment box, an anti-dust box cover, a corrugated connection cover, a slope plate and a device control box. According to the invention, through the arrangement of a wheat straw stirring driving motor, a stirring shaft, crushingblades and a stirring rod, stirring and crushing on wheat straw are facilitated, the wheat straw is prepared into feed for easy storage and is used as the feed for livestock animals, and the environmental protection treatment of wheat straw is facilitated. Through the arrangement of a leaked material recovery plate, a recovery pipe and a wheat straw leakage storage box, the recovery and collectionof wheat straw materials which are leaked inadvertently during a conveying process are facilitated, and the utilization rate of the wheat straw is improved.

The invention discloses a forming device for aluminum-plastic boards for capsules. The forming device for the aluminum-plastic boards for the capsules comprises an operating table. A first supporting plate and a second supporting plate are fixedly and vertically arranged under the operating table. A storage plate is horizontally arranged between the first supporting plate and the second supporting plate. A sliding block is arranged on the side, close to the first supporting plate, of the storage plate. A sliding groove corresponding to the sliding block is formed in the first supporting plate. The side, away from the first supporting plate, of the storage plate penetrates through the second supporting plate and is connected with a rack. A first opening corresponding to the storage plate is formed in the second supporting plate. A driving motor is arranged on one side of the storage plate. The output end of the driving motor is connected with a rotary shaft. The forming device for the aluminum-plastic boards for the capsules is simple in structure, convenient to use, small in size and low in cost; and only through movement of the driving motor, the aluminum-plastic boards are continuously formed through extrusion, the production efficiency is high, and the requirement for capsule packaging can be met.

The invention belongs to the technical field of bonding wire materials, and relates to a silver-platinum bonding wire material containing high platinum metal and a preparation process thereof. The composition of the silver-platinum bonding wire includes silver, platinum, copper, calcium, chromium, and other doping elements indium, lanthanum, and iridium; the use of silver metal in combination with platinum metal helps to enhance the strength and elongation of the wire The increase in tension and thrust can meet the corresponding requirements, and it has excellent welding performance and mechanical properties. The wire material and the corresponding uniform annealing treatment form a bonding material with high radian, long span, good tensile force and large thrust force, which can meet the requirements of in-line LED packaging, discrete devices, chip packaging and ordinary integrated circuit packaging. demand.

The invention relates to novel bagging equipment, comprising a supporting frame, a feeding groove arranged on the top of the supporting frame, and a feeding hopper which is arranged at the lower end of the feeding groove and in the supporting frame, wherein a feeding port is arranged in the middle of the feeding groove and is over against the feeding hopper, the feeding hopper consists of two V-shaped hoppers, the two sides of the feeding hopper are provided with a groove-shaped supporting piece respectively, and one side edges of the supporting pieces are abutted against the V-shaped side edges of the feeding hopper. The novel bagging equipment provided by the invention is convenient to operate, saves labor and is high in bagging efficiency.

The Cu-W film coating integrated composite heat sink comprises an oxygen-free copper matrix 1 with deposed 8 mum-15 mum Cu-W film 2 that composes by 8.1-17.5wt% Cu and W. This invention matches semiconductor chip on thermal expansion, can avoid damage to the chip, and satisfies the request of high-power semiconductor laser to improve the laser lifetime greatly.

The invention discloses a preparation method of release paper with a simulated watermark pattern, which comprises the following steps of: firstly, manufacturing a printing roller; secondly, preparing a release agent: the release agent comprises 1 part by weight of silicone oil, 8 / 1000 parts by weight of catalyst, 3-6 parts by weight of food special organic solvent, the catalyst is a noble metal catalyst, and the food special organic solvent is No. 6 solvent oil or edible aromatic hydrocarbon; thirdly, printing the watermark pattern: installing the manufactured printing roller on a printing press, taking the release agent as printing ink and printing the watermark pattern on greaseproof paper; and fourthly, drying: drying the printed release paper in a drying tunnel, ensuring that the temperature of the drying tunnel is 80-120 DEG C, the air quantity in the drying tunnel is 7000-9000 m3 / h, and the drying time is 15-30s and obtaining the release paper with the simulated watermark pattern. The preparation method has simple process and lower cost; and the prepared release paper with the simulated watermark pattern can fully satisfy the demands of food packaging.

The invention discloses a liquid packaging bottle. The liquid packaging bottle includes a bottle body, a straw, a first twist-off part and a second twist-off part. The bottle body has an accommodating chamber for containing liquid, and the bottle body is provided with a first opening and a second opening, both of which are connected to the accommodating chamber. The straw is located in the accommodating chamber, and the straw is connected to the inner wall of the accommodating chamber, one end of the straw communicates with the first opening, and the other end is located at the bottom of the accommodating chamber. The first twist-off part is connected to the bottle body and seals the first opening, when the first twist-off part is separated from the bottle body, the first opening is opened, the second twist-off part is connected to the bottle body, and The second opening is sealed, and when the second twist-off part is separated from the bottle body, the second opening is opened. The liquid packaging bottle of the present invention not only maintains the airtightness of the liquid in the bottle, but also prevents pollutants outside the bottle from entering the bottle.

The invention relates to the field of smart card manufacturing, in particular to a flexible double-faced package substrate. The flexible double-faced package substrate comprises a mutually-compressed cured piece, two adhesive films and two copper foils, wherein the adhesive films are located on two sides of the cured piece respectively, the two copper foils are located on the adhesive films respectively, and through holes are formed in the cured piece, the two adhesive films and one copper foil. The invention further provides a method for manufacturing the flexible double-faced package substrate. The flexible double-faced package substrate is not sticky and does not influence operation during follow-up and high-temperature baking and can meet double-interface application.

The invention discloses a seed transmission branch guide material packaging mechanism, which belongs to the field of seed transmission packaging machinery and equipment. The invention includes a material transfer bracket, a seed storage hopper, a seed transmission mechanism, a material retaining mechanism, a metering transfer mechanism and a tank transfer mechanism. It is directly fixed on the material transfer bracket on the upper side of the seed transmission mechanism, the material blocking mechanism and the metering transfer mechanism are sequentially arranged on the material transfer bracket at the lower side of one end of the seed transfer mechanism from top to bottom, and the transfer brackets on both sides of the metering transfer mechanism are respectively A tank passing mechanism is arranged horizontally and symmetrically. The invention has a reasonable structural design, and can continuously and stably transport and guide the seeds, so that the seeds can be measured, transported and packaged in separate paths accurately and efficiently, realize automatic delivery and packaging of the seeds, and meet the needs of seed packaging and use.

The invention provides an antimicrobial UV curing printing ink, comprising 7-10wt% of compound antibacterial agent, 10-25wt% of pigment, 33-62wt% of UV vehicle, 3.9-9wt% of photoinitiator, 4-40wt% of diluent, and 1-4wt% of auxiliary agent. The invention further provides a preparation method of the antimicrobial UV curing printing ink. According to the invention, the problems of no antibacterial effect, impact on people' health, unsanitariness, etc. of UV printing inks in the prior art are overcome, and the antimicrobial UV curing printing ink disclosed herein has high-efficiency antibacterial property, good usage effect, and wide range of application, can effectively cut off the propagation approach of pathogens and guarantee people' health, and has good market prospect, etc.

The invention discloses a silicon nitride ceramic heat dissipating fin copper-clad plate and a preparation method thereof. The silicon nitride ceramic heat dissipating fin copper-clad plate comprisesa silicon nitride ceramic plate and a metal conductive layer,and a transition layer of an aluminum oxide layer or metal silicon layer is sputtered between the silicon nitride ceramic layer and the metal conductive layer through magnetic control to weld the silicon nitride ceramic layer and the metal conductive layer. The method solves the problems that the silicon nitride ceramic is difficultly welded with a metal copper plate or an aluminum plate,and the heat dissipating fin is arranged at one side away from the metal layer,so that the heat dissipation area is increased,the heat dissipation efficiency is improved,and the requirement of the high-power IGBT package can be satisfied.

The invention discloses a method and a device for improving the color temperature consistency of a white light LED (Light Emitting Diode) lighting device. The method comprises the following steps: step 1, firstly covering a light transmitting lens on an LED chip fixed on a substrate and spraying a layer of silica gel on the light transmitting lens, wherein the thickness of the silica gel is 10-1000 micron, and the LED chip is a blue light chip; step 2, spraying and fixing a layer of yellow fluorescent powder on the silica gel; step 3, supplying power to the LED chip so that the LED chip emits light, and detecting the color temperature of the light which transmits through the transmitting lens, the silica gel and the fluorescent powder by using a probe of color temperature detecting equipment; and if a preset light wave length range or a color temperature range is achieved, stopping the fluorescent powder spraying process and carrying out a next step, or else turning back to the step 2. By adoption of the method and the device for improving the color temperature consistency of the white light LED lighting device, the color temperature of the LED lighting device can be regulated on line, and the precision is high.

The invention relates to a cigarette packaging machine, which comprises a cigarette packet packaging device and a transparent paper packaging device. The cigarette packet packaging device is connected with a cigarette packet overturning device through a conveying device, and the cigarette packet overturning device is then connected with the transparent paper packaging device through the conveying device; and the cigarette packet overturning device comprises at least one rotating tower which is placed horizontally or vertically. The rotating towers can be placed in different modes, so that the direction of a cigarette packet entering a transparent paper packaging position can be flexibly changed, and requirements on packaging of cigarette packets at different pull strap head positions can be met.

The invention discloses a packaging method for a weaving-structured thin cable for a space solar battery array. The packaging method is characterized by comprising the steps of 1, performing installation position positioning; 2, performing surface treatment on a packaging position; 3, performing blade coating of a packaging material; 4, performing cable cleaning and forming; 5, performing primary packaging of the cable; and 6, performing secondary packaging of the cable. By adoption of the technical scheme, the packaging dimensions and positions of the weaving-structured thin cable can be effectively controlled, so as to satisfy use requirements on cable packaging thickness by special space models; the thickness is not greater than 0.3mm after a cable with the thickness of 0.2mm is packaged; the packaging material adopted by the packaging method is high in high-temperature characteristic and low-temperature characteristic; and the packaged weaving-structured thin cable can keep high structural growth rate in a track working condition, and is high in adaptivity to a complex thermal stress environment caused by space high temperature and low temperature alternation, so that the reliability and safety of the product are improved.