CN107128090A - A kind of silk-screen printing preparation method of flexible array voltage sensitive sensor - Google Patents
A kind of silk-screen printing preparation method of flexible array voltage sensitive sensor Download PDFInfo
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- CN107128090A CN107128090A CN201610106746.XA CN201610106746A CN107128090A CN 107128090 A CN107128090 A CN 107128090A CN 201610106746 A CN201610106746 A CN 201610106746A CN 107128090 A CN107128090 A CN 107128090A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
- B41C1/141—Forme preparation for stencil-printing or silk-screen printing by cutting or perforation with mechanical means; Electrical spark cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
- B41C1/148—Forme preparation for stencil-printing or silk-screen printing by a traditional thermographic exposure using the heat- or light- absorbing properties of the pattern on the original, e.g. by using a flash
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
Abstract
Disclose a kind of silk-screen printing preparation method of flexible array voltage sensitive sensor.One screen frame and a flexible carrier are drawn with net puller, the flexible carrier drawn is fixed on the table, pressed on flexible carrier with sensor base plate printing screen plate, with protective layer ink printed sensor substrate and it is heating and curing, horizontal wire is printed using sensor levels wire printing screen plate and flexible wire ink and be heating and curing on substrate, using sensor piezoresistors printing screen plate and flexible pressure-sensitive resistance printing ink printed resistor layer and it is heating and curing on horizontal wire, vertical lead wire is printed using sensor vertical lead wire printing screen plate and flexible wire ink and be heating and curing on this basis, such as accompanying drawing, finally cover plate is printed using sensor cover plate printing screen plate and protective layer ink and be heating and curing.
Description
Technical field
The characteristics of flexible pressure-sensitive sensor not only has common voltage sensitive sensor, also there is good pliability, can even it be folded with free bend, especially flexible array voltage sensitive sensor can be detected easily to the parts of complex surface shape, be had a wide range of applications in fields such as robot, biomethanics, medical measurements.
Background technology
In terms of the making of flexible sensor, current technology has two.
First, patent《Carbon nanotube/polymer composite membrane array type flexible force sensor and preparation method：China, ZL 201010260505.3.（Chinese patent grant number）》In to mention material formed by CNT and dimethyl silicone polymer are directly mixing cured, solidification temperature is shunk, dimethyl silicone polymer volume expands with the rising of temperature in below 800K in the following length of carbon nanotube of this temperature with the rising of temperature.In heat curing process, there is the dimethyl silicone polymer that the phenomenon that CNT is separated with dimethyl silicone polymer, i.e. surface are one layer of insulation in surface, and this material can neither directly make wire, directly can not be used as resistance.
Second, the flexible array voltage sensitive sensor of large area is made using semiconductor fabrication process, complex process makes fairly cumbersome.
The content of the invention
To solve above-mentioned technical problem, a kind of simple and practical preparation method of method is invented, that is the silk-screen printing preparation method of flexible array voltage sensitive sensor, the flexible array voltage sensitive sensor made using the method has the features such as uniformity is preferable, manufacture craft is simple, is particularly suitable for making the flexible array voltage sensitive sensor of large area.
A kind of preparation method of flexible array voltage sensitive sensor, comprises the following steps.
1st, the preparation of ink.CNT is mixed with Nano graphite powder, referred to as CNT powder mixture, ratio is 1:(0.1-20), adds appropriate nano-dispersing agent, is put into supersonic wave cleaning machine and vibrates.Then continue to vibrate in supersonic wave cleaning machine after being added in dimethyl silicone polymer scattered CNT powder mixture, then a certain proportion of curing agent is added, persistent oscillation is relayed in supersonic wave cleaning machine, after certain time, the different CNT powder mixture of ratio is mixed with dimethyl silicone polymer is respectively prepared flexible pressure-sensitive resistance printing ink and flexible wire ink.The ratio of CNT powder mixture and dimethyl silicone polymer is (0.01-0.3) in flexible pressure-sensitive resistance printing ink:1, CNT powder mixture and dimethyl silicone polymer ratio are (0.1-0.9) in flexible wire ink:1.Appropriate curing agent is added in dimethyl silicone polymer protective layer ink for making sensor base plate and cover plate is made.
2nd, the acquisition of film.Completed by laser printer types, printing paper uses template or transparent film.Profit separately designs the film of five patterns in this way, and first film pattern is sensor levels traverse design figure, that is, the resistance lead figure being parallel to each other, such as Fig. 1.The pattern of second film is sensor vertical lead wire design drawing, it is parallel to each other and the resistance lead figure vertical with wire in Fig. 1, such as Fig. 2, the pattern of 3rd film is sensor piezoresistors design drawing, the array junctions composition being made up of several circular diagrams, the diameter of circular diagram is more than the line footpath of first and second film parallel lines, line space between the line space of array and the line and line of first film is identical, column pitch between the column pitch of array and the line and line of second film is identical, such as Fig. 3.4th film pattern is sensor base plate design drawing, and sensor base plate refers to carrying the dimethyl silicone polymer layer of all parallel wires and the bottom of piezo-resistance, such as Fig. 4.5th film pattern is sensor cover plate design drawing, and sensor cover plate refers to all wires and the top layer dimethyl silicone polymer protective layer of piezo-resistance, such as Fig. 5.
3rd, the making of screen mesh printing plate.A screen frame and grenadine are selected, is drawn, is clung with viscosity gum with net puller, it is with degreaser that grenadine processing is clean, obtain by screen frame（1）And grenadine（2）The abortive haul version of composition, such as Fig. 6.
The preparation method of screen mesh printing plate has five kinds.
Method one, is equably coated in photoresists on the empty half tone drawn using sizing device, and unexposed half tone is obtained after drying, repeats previous step, makes five pieces of unexposed half tones of identical.Five different films above are individually placed to below five screen mesh printing plates, is then placed on exposure box and is exposed, using the half tone that hydraulic giant hydro-peening is exposed after exposure, not photosensitive part is washed out with water（3）, photosensitive is partially left on grenadine（4）, wait figure to dry half tone after occurring completely, obtain five printing screen plates, such as Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11.
Method two, five films are combined with five water films are exposed on exposure box respectively, five water films after exposure are placed in developer solution one minute, rinsed to pattern and shown completely with showerhead, five water films after development are affixed in five abortive haul versions respectively, water aspirator wipe dry is used.Hinge above is thrown off into obtain five printing screen plates, such as Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 after drying.
Method three, soaks five empty half tones with water, and directly five water films are attached in five abortive haul versions respectively, water aspirator wipe dry is then used.Hinge above is thrown off after drying, five films are exposed together with five half tones for pasting the water film respectively, and using hydraulic giant spray water, flushing shows completely to pattern, then five printing screen plates, such as Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 are dried to obtain.
Method four, gelatin, emulsion are dipped in Miniature tack writing brush and retouch the pattern applied on five films above, the mesh for being not required to ink leak is blocked, can be made into five printing screen plates, such as Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11.
Method five, is performed etching or carves on rigid material, is carved according to five film figures, it is necessary to the partial etching or engraving that print portal, and five required printing screen plates, such as Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 can be obtained in this way.
4th, print.Printed on flexible carrier with protective layer ink and sensor base plate printing screen plate, substrate is formed after drying（5）, such as Figure 12.Printed on substrate with flexible wire ink and sensor levels wire printing screen plate, one group of parallel wire is formed after drying（6）, such as Figure 13.Printed on parallel wire with flexible pressure-sensitive resistance printing ink and sensor piezoresistors printing screen plate, form piezo-resistance layer（7）, such as Figure 14.By piezo-resistance, printed with flexible wire ink and sensor vertical lead wire printing screen plate, form the parallel wire of one group of row（8）.Such as Figure 15.Printed on this basis with protective layer ink and sensor cover plate printing screen plate, cover plate is formed after drying（10）, such as Figure 16.
Brief description of the drawings
Fig. 1：Sensor levels wire film design drawing.
Fig. 2：Sensor vertical lead wire film design drawing.
Fig. 3：Sensor piezoresistors film design drawing.
Fig. 4：Sensor base plate film design drawing.
Fig. 5：Sensor cover plate film design drawing.
Fig. 6：The empty half tone figure that screen frame and grenadine are constituted.
Fig. 7：Sensor levels wire printing net domain.
Fig. 8：Sensor vertical lead wire printing net domain.
Fig. 9：Sensor piezoresistors printing net domain.
Figure 10：Sensor base plate printing net domain.
Figure 11：Sensor cover plate printing screen plate figure.
Figure 12：Sensor base plate printing figure.
Figure 13：Sensor levels wire printing figure.
Figure 14：Sensor piezoresistors printing figure.
Figure 15：Sensor vertical lead wire printing figure.
Figure 16：Sensor cover plate printing figure.
Embodiment
1st, the preparation of ink.Be not in the phenomenon that CNT powder mixture is separated with dimethyl silicone polymer after CNT powder mixture is uniformly mixed with dimethyl silicone polymer, in heat curing process, use the mixed proportion of CNT and Nano graphite powder for 1:1, total amount selects 200 grams, a certain amount of nano-dispersing agent is added, is put into supersonic wave cleaning machine and vibrates 1 hour, the flexible pressure-sensitive resistance printing ink made for the flexible wire ink of wire producing and for piezo-resistance can be respectively prepared according to the amount for adding dimethyl silicone polymer on this basis.100 grams are selected in 200 grams of CNT powder mixture is used to make flexible wire ink, and 100 grams are used to make flexible pressure-sensitive resistance printing ink in addition.500 grams of dimethyl silicone polymers are added in 100 grams of CNT powder mixtures, then add appropriate curing agent uniform stirring, and are vibrated 1 hour in supersonic wave cleaning machine, flexible wire ink will be made.1500 grams of dimethyl silicone polymers are added in 100 grams of CNT powder mixtures, again plus appropriate curing agent uniform stirring, and vibrated 1 hour in supersonic wave cleaning machine, flexible pressure-sensitive resistance printing ink will be formed, the resistance of flexible pressure-sensitive resistance is relevant with the mixed proportion of dimethyl silicone polymer with CNT powder mixture, and it is smaller that CNT powder mixture adds more resistances.The size of amount of the flexible pressure-sensitive resistance coefficient of elasticity with adding curing agent after solidification is relevant, and it is bigger that curing agent adds more coefficient of elasticity.Appropriate curing agent is added in dimethyl silicone polymer protective layer ink for making sensor base plate and cover plate is just made.
2nd, the acquisition of film.Completed by laser printer types, printing paper uses template or transparent film.Profit separately designs the film of five patterns in this way, and first film pattern is sensor levels traverse design figure, that is, the resistance lead figure being parallel to each other, such as Fig. 1.The pattern of second film is sensor vertical lead wire design drawing, it is parallel to each other and the resistance lead figure vertical with wire in Fig. 1, such as Fig. 2, the pattern of 3rd film is sensor piezoresistors design drawing, the array junctions composition being made up of several circular diagrams, the diameter of circular diagram is more than the line footpath of first and second film parallel lines, line space between the line space of array and the line and line of first film is identical, column pitch between the column pitch of array and the line and line of second film is identical, such as Fig. 3.4th film pattern is sensor base plate design drawing, and sensor base plate refers to carrying the dimethyl silicone polymer layer of all parallel wires and the bottom of piezo-resistance, such as Fig. 4.5th film pattern is sensor cover plate design drawing, and sensor cover plate refers to all wires and the top layer dimethyl silicone polymer protective layer of piezo-resistance, such as Fig. 5.
3rd, any screen printing method is selected to be made a plate.Such as use the third above said method, select a screen frame and grenadine, drawn with net puller, clung with viscosity gum, it is using degreaser that grenadine processing is clean, it can so obtain the empty half tone that screen frame and grenadine are constituted, such as Fig. 6, profit makes five empty half tones in this way, and wherein four empty half tones of selection make the half tone of printed base plate, cover plate, horizontal wire, vertical lead wire respectively.Four empty half tones above are soaked with water, directly four water films are placed with the half tone of sky respectively, water aspirator wipe dry is then used.Hinge above is thrown off after drying, it is exposed respectively together with four half tones for pasting the water film using the film of designed substrate, cover plate, horizontal wire, vertical lead wire, utilize hydraulic giant spray water, it is completely clear to pattern to rinse, and then dries and just obtains four required half tones.Such as Fig. 7, Fig. 8, Figure 10, Figure 11.Another empty half tone is used to make sensor piezoresistors printing screen plate, it is required that the consistency of thickness that the thickness for the half tone being made is designed with piezo-resistance, it so just can guarantee that the thickness of the resistance printed and being of uniform thickness for design, to reach that this purpose first soaks abortive haul version with water, on the half tone for one water film being attached to sky, water aspirator wipe dry is then used.Hinge above is thrown off after drying, then half tone is soaked with water, second water film of same size is sticked, water aspirator wipe dry is then used.Hinge above is thrown off after drying, above step is repeated, until screen thickness reaches the design requirement of piezo-resistance.Afterwards, sensor piezoresistors film is exposed together with pasting the half tone of the water film, using hydraulic giant spray water, and flushing is clearly displayed completely to pattern, and then drying must sensor piezoresistors printing screen plate, such as Fig. 9.
4th, a screen frame and a flexible carrier are selected, selection flexible cloth is drawn with net puller as flexible carrier, the flexible cloth drawn is fixed on the table, pressed above cloth with sensor base plate printing screen plate, with protective layer ink printed sensor substrate（5）And be heating and curing, such as Figure 12.Sensor levels wire printing screen plate and flexible wire ink printing horizontal wire are utilized on the substrate layer（6）And be heating and curing, such as Figure 13.Sensor piezoresistors printing screen plate and flexible pressure-sensitive resistance printing ink printing piezo-resistance layer are utilized on horizontal wire（7）And be heating and curing, such as Figure 14.Sensor vertical lead wire printing screen plate and flexible wire ink printing vertical lead wire are utilized on this basis（8）And be heating and curing, such as Figure 15.Finally utilize sensor cover plate printing screen plate and protective layer ink printing cover plate（10）And be heating and curing, such as Figure 16.Figure 16 is complete flexible array voltage sensitive sensor, if（9）Corresponding voltage sensitive sensor, such as Figure 15 are arranged for the i-th row jth.The i-th row jth row corresponding voltage sensitive sensor is connected when that is connecting the i-th row conductor with jth column wire.
Claims (7)
1. selecting a screen frame and a flexible carrier, drawn, the flexible carrier drawn is fixed with net puller on the table, pressed on flexible carrier with sensor base plate printing screen plate, with protective layer ink printed sensor substrate（5）And be heating and curing, such as Figure 12；Horizontal wire is printed using same method using sensor levels wire printing screen plate and flexible wire ink on substrate（6）And be heating and curing, such as Figure 13；Using sensor piezoresistors printing screen plate and flexible pressure-sensitive resistance printing ink using same method printed resistor layer on horizontal wire（7）And be heating and curing, such as Figure 14；Vertical lead wire is printed using same method using sensor vertical lead wire printing screen plate and flexible wire ink on this basis（8）And be heating and curing, such as Figure 15；Finally using sensor cover plate printing screen plate and protective layer ink using same method printing cover plate（10）And be heating and curing, such as Figure 16.
2. a kind of silk-screen printing preparation method of flexible array voltage sensitive sensor described in claim 1, it is characterised in that：The compound method of flexible wire ink and flexible pressure-sensitive resistance printing ink, is being 1 in proportion by CNT and Nano graphite powder:Appropriate nano-dispersing agent is added in the CNT powder mixture of (0.1-20) composition, it is put into supersonic wave cleaning machine and vibrates, then continue to vibrate in supersonic wave cleaning machine after being added in dimethyl silicone polymer scattered CNT powder mixture, then a certain proportion of curing agent is added, persistent oscillation is relayed in supersonic wave cleaning machine, after certain time, the CNT powder mixture of different proportion is mixed with dimethyl silicone polymer is respectively prepared flexible pressure-sensitive resistance printing ink and flexible wire ink, the ratio of CNT powder mixture and dimethyl silicone polymer is (0.01-0.3) in flexible pressure-sensitive resistance printing ink:1, CNT powder mixture and dimethyl silicone polymer ratio are (0.1-0.9) in flexible wire ink:1, appropriate curing agent is added in dimethyl silicone polymer protective layer ink for making sensor base plate and cover plate is made.
3. a kind of silk-screen printing preparation method of flexible array voltage sensitive sensor described in claim 1, it is characterised in that：The preparation method of screen mesh printing plate, select a screen frame and grenadine, drawn with net puller, clung with viscosity gum, it is using degreaser that grenadine processing is clean, obtain the half tone of sky, such as Fig. 6, photoresists are equably coated on the half tone of sky using sizing device, unexposed half tone is obtained after drying, repeat previous step, make five pieces of unexposed half tones of identical, by Fig. 1, Fig. 2, Fig. 3, Fig. 4, film in Fig. 5 is individually placed to below five screen mesh printing plates, then it is placed on exposure box and is exposed respectively, exposed half tone is rinsed after exposure using hydraulic giant, by not photosensitive part（3）Washed out with water, photosensitive part（4）Stay on grenadine, wait figure to dry half tone after occurring completely, obtain five printing screen plates, such as Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11.
4. a kind of silk-screen printing preparation method of flexible array voltage sensitive sensor described in claim 1, it is characterised in that：The preparation method of screen mesh printing plate, select a screen frame and grenadine, drawn with net puller, clung with viscosity gum, it is using degreaser that grenadine processing is clean, obtain the half tone of sky, such as Fig. 6, by Fig. 1, Fig. 2, Fig. 3, Fig. 4, film in Fig. 5 is combined with five water films respectively to be exposed on exposure box, five water films after exposure are placed in developer solution one minute, rinsed to pattern and shown completely with showerhead, the water film after development is affixed in five abortive haul versions respectively, use water aspirator wipe dry, hinge above is thrown off into obtain five printing screen plates after drying, such as Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11.
5. a kind of silk-screen printing preparation method of flexible array voltage sensitive sensor described in claim 1, it is characterised in that：The preparation method of screen mesh printing plate, select a screen frame and grenadine, drawn with net puller, clung with viscosity gum, it is using degreaser that grenadine processing is clean, obtain the half tone of sky, such as Fig. 6, five abortive haul versions are soaked with water, directly five films are affixed in five abortive haul versions respectively, then water aspirator wipe dry is used, hinge above is thrown off after drying, by Fig. 1, Fig. 2, Fig. 3, Fig. 4, film in Fig. 5 is exposed together with five half tones for pasting the film respectively, utilize hydraulic giant spray water, flushing shows completely to pattern, then five printing screen plates are dried to obtain, such as Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11.
6. a kind of silk-screen printing preparation method of flexible array voltage sensitive sensor described in claim 1, it is characterised in that：The preparation method of screen mesh printing plate, selects a screen frame and grenadine, is drawn with net puller, clung with viscosity gum, it is using degreaser that grenadine processing is clean, obtain the half tone of sky, such as Fig. 6, gelatin, emulsion are dipped in Miniature tack writing brush and carries out retouching the pattern applied in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 on film respectively on five empty half tones, the mesh for being not required to ink leak is blocked, it can be made into five printing screen plates, such as Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11.
7. a kind of silk-screen printing preparation method of flexible array voltage sensitive sensor described in claim 1, it is characterised in that：The preparation method of screen mesh printing plate, performs etching or carves on rigid material, is carved according to the pattern on film in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, it is necessary to which the partial etching or engraving that print portal, five printing screen plates, such as Fig. 7, Fig. 8 can be obtained in this way, Fig. 9, Figure 10, Figure 11.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109445642A (en) * | 2018-12-19 | 2019-03-08 | 武汉华星光电半导体显示技术有限公司 | A kind of resistive touch screen, OLED display and preparation method thereof |
| CN109613075A (en) * | 2019-01-07 | 2019-04-12 | 电子科技大学 | A kind of flexible humidity sensor and preparation method thereof based on fibroin |
| CN110421987A (en) * | 2019-07-25 | 2019-11-08 | 东莞福哥电子有限公司 | One kind having of different shapes equal valued resistors printing process |
| CN112895691A (en) * | 2021-01-18 | 2021-06-04 | 景旺电子科技(珠海)有限公司 | Printing screen and manufacturing method thereof |
| CN113878979A (en) * | 2021-12-06 | 2022-01-04 | 杭州晶宝新能源科技有限公司 | Manufacturing method of precision template, precision template and application |
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- 2016-02-27 CN CN201610106746.XA patent/CN107128090A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109445642A (en) * | 2018-12-19 | 2019-03-08 | 武汉华星光电半导体显示技术有限公司 | A kind of resistive touch screen, OLED display and preparation method thereof |
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| CN109613075A (en) * | 2019-01-07 | 2019-04-12 | 电子科技大学 | A kind of flexible humidity sensor and preparation method thereof based on fibroin |
| CN110421987A (en) * | 2019-07-25 | 2019-11-08 | 东莞福哥电子有限公司 | One kind having of different shapes equal valued resistors printing process |
| CN110421987B (en) * | 2019-07-25 | 2021-08-10 | 东莞福哥电子有限公司 | Equal-resistance resistor printing method with different shapes |
| CN112895691A (en) * | 2021-01-18 | 2021-06-04 | 景旺电子科技(珠海)有限公司 | Printing screen and manufacturing method thereof |
| CN112895691B (en) * | 2021-01-18 | 2022-08-23 | 景旺电子科技(珠海)有限公司 | Printing screen and manufacturing method thereof |
| CN113878979A (en) * | 2021-12-06 | 2022-01-04 | 杭州晶宝新能源科技有限公司 | Manufacturing method of precision template, precision template and application |
| CN113878979B (en) * | 2021-12-06 | 2022-03-15 | 杭州晶宝新能源科技有限公司 | Manufacturing method of precision template, precision template and application |
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Application publication date: 20170905 |