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Curved surface mobile printing paste

A curved surface and paste technology, applied in the field of curved surface mobile printing electronic paste, can solve the problems of poor shape retention of printed graphics, large shrinkage of curved surface graphics, and low adjustability, etc., and achieves high yield and good thermal stability. Effect

Active Publication Date: 2015-06-24
西安腾星电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The fluidity of the slurry on the curved surface and the shape retention of the printed graphics are poor;
[0005] 2. During the sintering process, the curved surface affects the large shrinkage of the graphics;
[0006] 3. The same slurry can only adapt to the substrate with a single curved surface, and the adjustability is small

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] High power LED curved surface Al 2 o 3 The preparation method of the silver paste for substrate lamp holder wiring includes the following steps in turn: (1) Prepare raw materials according to the following components and weight content, 78 ultrafine precious metal powders, 18.38 parts of organic binders, 3 parts of inorganic binders and functional additives 0.62 parts, including 76 parts of superfine silver powder in ultra-precious metal powder, 2 parts of superfine palladium powder; 0.35 part of flexural extrusion in functional additives, and 0.27 part of β-eucryptite; the raw material components and weight of the organic binder The contents are as follows: 37 parts of terpineol, 27 parts of turpentine, 10 parts of butyl carbitol, 7 parts of butyl carbitol acetate, 7 parts of ethyl cellulose, 10 parts of ethylene glycol monomethyl ether and sorbitol anhydride 2 parts of stearic acid ester; Described inorganic binder is lead-free glass powder, and the raw material comp...

Embodiment 2

[0044] High power LED curved surface Al 2 o 3The preparation method of the silver paste for substrate lamp head wiring includes the following steps in turn: (1) Prepare raw materials according to the following components and weight content, 78 ultrafine precious metal powders, 18.01 parts of organic binders, 3 parts of inorganic binders and functional additives 0.99 parts, including 76 parts of superfine silver powder in ultra-precious metal powder, 2 parts of superfine palladium powder; 0.58 part of flexural extrusion in functional additives, and 0.41 part of β-eucryptite; the raw material components and weight of the organic binder The contents are as follows: 37 parts of terpineol, 27 parts of turpentine, 10 parts of butyl carbitol, 7 parts of butyl carbitol acetate, 7 parts of ethyl cellulose, 10 parts of ethylene glycol monomethyl ether and sorbitol anhydride 2 parts of stearic acid ester; Described inorganic binder is lead-free glass powder, and the raw material composi...

Embodiment 3

[0049] High power LED curved surface Al 2 o 3 The preparation method of the silver paste for substrate lamp base wiring includes the following steps in turn: (1) prepare raw materials according to the following components and weight content, as a preferred solution of the present invention, the raw material components and weight content of the silver paste are as follows: ultrafine precious metal 78 parts of powder, 17.05 parts of organic binder, 3 parts of inorganic binder and 1.95 parts of functional additives, of which 76 parts of ultrafine silver powder in ultra-precious metal powder, 2 parts of ultrafine palladium powder; 1.05 parts of flexural extrusion in functional additives, 0.9 part of β-eucryptite; the raw material components and weight content of the organic binder are as follows: 37 parts of terpineol, 27 parts of turpentine, 10 parts of butyl carbitol, 7 parts of butyl carbitol acetate , 7 parts of ethyl cellulose, 10 parts of ethylene glycol monomethyl ether an...

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Abstract

The invention provides curved surface mobile printing paste which is excellent in performance and thus can be adapted to the curved surface printing technique. The curved surface mobile printing paste mainly comprises, by overall weight, 78 parts of superfine precious metal powder, 15-20 parts of organic bond, 1-6 parts of inorganic bond and 0.2-3 parts of functional additive. The functional additive is the mixture of a flexibility change agent and beta-eucryptite and comprises 0.1-1.5 parts of flexibility change agent and 0.1-1.5 parts of beta-eucryptite. The flexibility change agent is the mixture of polymethacrylate and polyamide wax and comprises 70% of polymethacrylate and 30% of polyamide wax.

Description

technical field [0001] The invention belongs to the technical field of curved surface mobile printing, and relates to electronic paste for curved surface mobile printing. Background technique [0002] In traditional industries such as LEDs, sensors, and automotive circuits, curved surface components with a certain radian are gradually being used in the market due to their unique performance. However, for this type of products, the conventional flat printing technology is no longer applicable, followed by a new type of mobile printing technology applied on curved surfaces. [0003] At present, the electronic pastes on the market are applied in the mobile printing of curved surfaces, and there is a problem of how to keep the film layer from being deformed on the curved surface after printing, including placement after printing and no displacement during the sintering process, etc. The specific disadvantages and deficiencies are as follows : [0004] 1. The fluidity of the sl...

Claims

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Application Information

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IPC IPC(8): H01B1/22H01B13/00
Inventor 杨锋李丽华陈斐陈世春马芹
Owner 西安腾星电子科技有限公司
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