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Exposure. 600mJ/cm2 ( under Mylar film ) 500-700mJ/cm2 420mJ/cm2 ( on solder mask ) 350-490mJ/cm2 Metal halide lamp 7kw (ORC HMW-680) Hold time. 10min 10-20min. Development. Aqueous alkaline solution : 1wt% Na2CO3 Temperature of developer : 30deg.C Spray pressure : 0.2MPa 0.20-0.25MPa Developing time : 90sec 90-120sec. Water rinse.
3. PROCESS CONDITION. cured at 140deg.C for 20 minutes x 2 cycles. In case no marking ink is applied, solder mask should be cured at. 150deg.C for 60 minutes. 4. ATTENTION IN PROCESS: As to the operation environment. It is desirable to deal with the ink under the yellow lamps in the clean room.
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TAIYO Fine Chemicals began manufacturing dyes and pigments in 1941. Through the production of functional pigments, as well as intermediates for dyes, pharmaceuticals, special purpose and agrochemicals, the company has consistently supplied products that ...
Exposure. 300mJ/cm2 ( under Mylar film ) 200-400mJ/cm2 210mJ/cm2 ( on solder mask ) 140-280mJ/cm2 Metal halide lamp 7kw (ORC HMW-680) Hold time. 10min 10-20min. Development. Aqueous alkaline solution : 1wt% Na2CO3 Temperature of developer : 30deg.C Spray pressure : 0.2MPa 0.15-0.25MPa Developing time : 60sec 60-100sec. Water rinse.
Solder resist is an insulating ink that covers the surface of printed circuit boards (PCBs) and protects the circuit pattern. One of the main roles of solder resist is to prevent solder from adhering to unnecessary parts when components are mounted on the board. At the same time, solder resist also acts as a permanent protective coating ...
Title Black color Paste&Resist_ol Created Date 1/12/2011 3:33:26 PM
RISK PHRASES. : N = Dangerous for the environment. : R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. SAFETY PHRASES : S61 - Avoid release to the environment. Refer to special instructions/Safety data sheets. S60 - This material and its container must be disposed of as.
