Product Description

 Specific production steps:
( A ) the original production : A first circuit with circuit design software to design , and then use the laser printer in a transparent, translucent or plain white paper printed underlay , inkjet printers clunky , but the quality is poor,

Dot matrix printer can not be used . B is available photoplotter or photographic film output basemap , this works best. C There is a thermal transfer paper appeared , the available heat transfer machine dedicated thermal transfer paper onto the map

Thus giving a basemap .
( 2 ) Crop: The light printing plates removed from the bag , first cut off the protective film dielectric paper knife , and then press the desired size saw or cutter cut a good circuit boards, in order to prevent poor adhesion , will be required Cuodao flash circuit board

Polished . The remaining light printing plates back into the bag and in a cold dark place. Note that when cutting can not be peeled off the protective paper to prevent scratching or defaced photosensitive surface . Electricity boards can also be used a knife to cut the upper and lower sides of the deep

About 0.2mm or so marks, and then be broken.
( 3 ) Exposure: The first tear the protective film , exposing the photosensitive film green grass , the transparent or translucent light originals printed on the back side of the board , and then pressed against the original and the photosensitive transparent glass plate , the more tightly the more the resolution