Ink-jet resisting agent
A technology of resist and inkjet, which is applied in the field of green and environmentally friendly inkjet resist, can solve the problems of limited line width, less selection of circuit board types, short service life of templates and negatives, etc., and achieve good line quality and reliability Wide range of applications and effects
Inactive Publication Date: 2010-07-21
ADVANCE MATERIALS CORP
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Problems solved by technology
[0002] Taiwan, China is the main production place of printed circuit boards. It is known that the process of making printed circuit boards includes: rolling or electroplating copper foil on the substrate, then coating a layer of photoresist, and then exposing, developing and etching the mask to form Metal circuit, after pressing the circuit board, drilling, electroplating and etching the outer circuit to form a multi-layer circuit board, and then the whole process can be completed after solder mask, metal surface treatment, molding, multiple tests and reliability inspection. It is quite cumbersome and complicated, plus the unit price of making templates and negatives is high, time-consuming, the service life of templates and negatives is short, the types of circuit boards are less selective, the line width is limited, and defects are prone to occur;
[0003] Moreover, the traditional printed circuit board (PCB) often needs to fine-tune the production process according to the product characteristics required by customers. It has become an important issue for the printed circuit board industry to improve capacity utilization and ensure smooth and flexible delivery by regulating the production process. , the traditional process requires a large amount of chemicals and water to be used for etching, electroplating and cleaning, which will also cause serious environmental pollution problems. Therefore, it does not meet the current international requirements for green products and ecological environmental pollution prevention. Whether it is waste liquid The cost of disposal or the pollution generated in the manufacturing process, the impact of environmental protection, waste reduction and energy saving in Taiwan, China is far greater than that of design-oriented European and American countries
Method used
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Embodiment Construction
[0012] The detailed content and technical description of the present invention will be further described by examples, but it should be understood that these examples are only illustrative and should not be construed as limitations on the implementation of the present invention.
[0013] The present invention is an inkjet resist, which includes: high molecular resin, monomer, photoinitiator, inhibitor and additives uniformly formed by heating and stirring; the high molecular resin is selected from 2-[2- Hydroxy-3,5-bis(1,1-dimethyl)hydroxyphenyl]2hydro-benzotriazole, polyacrylic acid polymer copolymer, methacrylate, methyl chloropropyl acetate, propylene glycol Any one of methyl ether acetate, polymer resin epoxy group, benzene ring photohardenable epoxy resin and photohardenable acrylic resin, the usage amount of the polymer resin is 5-30%, and the best The usage is 28%.
[0014] The monomer is selected from isostearate acrylate, stearate methacrylate, 2-hydroxy-3 phenoxy-pro...
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Abstract
The invention relates to an ink-jet resisting agent, which is prepared by heating and uniformly stirring a macromolecule resin, a monomer, a photo initiator, an anticatalyst and an additive. The viscocity of the ink-jet resisting agent is between 5 and 30cps and corresponds to the optimal ink-jet condition. The ink-jet resisting agent of the invention can be used for etching and selective immersion gold of an electronic material fine circuit. Through a photoreaction, the ink-jet resisting agent of the invention has the characteristics of etching resistance, immersion gold liquor resistance and the like and has good uniformity.
Description
technical field [0001] The invention relates to an inkjet resist, in particular to a green and environment-friendly inkjet resist. Background technique [0002] Taiwan, China is the main production place of printed circuit boards. It is known that the process of making printed circuit boards includes: rolling or electroplating copper foil on the substrate, then coating a layer of photoresist, and then exposing, developing and etching the mask to form Metal circuit, after pressing the circuit board, drilling, electroplating and etching the outer circuit to form a multi-layer circuit board, and then the whole process can be completed after solder mask, metal surface treatment, molding, multiple tests and reliability inspection. It is quite cumbersome and complicated, plus the unit price of making templates and negatives is high, time-consuming, the service life of templates and negatives is short, the types of circuit boards are less selective, the line width is limited, and d...
Claims
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IPC IPC(8): G03F7/004G03F7/028H05K3/00
Inventor 宋洪铭陈福龙
Owner ADVANCE MATERIALS CORP