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printed circuit boards are mainly used in products of information technology, communications, automobiles, semiconductors, consumer electronics, etc. not only do permanent materials such as substrates, interlayer, outermost solder protection and soldered connection materials differ based on the requirements of different products, but the requirements of indirect materials used in the manufacturing process will also be different.
based on the materials used, process technology and product applications, printed circuit boards can be mainly divided into different products such as rigid pcb, flexible pcb, rigid-flexible composite pcb and ic boards. in recent years, because of the rapid development of intelligent products, the trend of various pcb products has accelerated toward compact sizes and high-density circuit layouts. the technical requirements for additional layers of fine lines, pore size and high alignment accuracy are also rising.
dry film photoresist is the key component used in the image transfer process. it is widely used in precision etching and electroplating products such as printed circuit board (including rigid board, flexible board, rigid/flexible composite board, and hdi), lead frame, ic substrates, ic packaging, etc. with strong in-house r&d capabilities, we are able to design and develop dry film products to specifically match our customers' requirements for various processes such as chemical milling, electroforming, etc.

dry film

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item name characteristics applications data sheets pdf
202j series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent flexibility		 flexible circuit board
332j series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent flexibility		 flexible circuit board
apr300t series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution		 multi-layer circuit board
apr400 series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution
4. low exposure energy		 ldi
e7600 series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution		 multi-layer circuit board
e7700 series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution		 multi-layer circuit board
e9000 series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution		 multi-layer circuit board
hp-3600 series 1. excellent resistance to acid plating
2. excellent adhesion to lines
3. excellent line resolution		 ic substrate
hq-6500 series excellent chemical resistance enig
ht series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution		 multi-layer circuit board
ldf series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution
4. low exposure energy		 ldi
lip series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution
4. low exposure energy		 ldi
nit series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent flexibility		 flexible circuit board
ud series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution
4. low exposure energy
ldi
udf series 1. excellent resistance to acid etching
2. excellent adhesion to lines
3. excellent line resolution
4. low exposure energy		 ldi

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