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    • 2. 发明授权
    • Dry film photoresist
    • 干膜光刻胶
    • US6037100A
    • 2000-03-14
    • US161948
    • 1998-09-29
    • Jae-Ok YuHyoun-Souk ChoiIl-Young JeongByeong-Il LeeKie-Jin Park
    • Jae-Ok YuHyoun-Souk ChoiIl-Young JeongByeong-Il LeeKie-Jin Park
    • G03F7/004G03F7/027G03F7/09G03F7/11G03C1/76
    • G03F7/09G03F7/092
    • The present invention relates to a dry film photoresist comprising the steps of:preparing a photosensitive polymer prepared containing an acrylylic copolymer as a binder polymer, to which is added are a photopolymerizing monomer, photoinitiator, a photosensitive agent, color former, plasticizer and thermal stabilizer; drying the photosensitive polymer coated on a polyethylene terephthalate support in a predetermined thickness; andlaminating a polyethylene terephthalate film with a certain surface property in a protective manner.Since the dry film photoresist of this invention is used for the manufacture of a printed circuit boards and lead frames and employs a polyethylene terephthalate film having excellent surface properties, any problems such as air admixture generated from the process may be avoided, unlike prior technologies using polyethylene film as a cover film, thus reducing significantly the defect rate of a final product.
    • 本发明涉及一种干膜光致抗蚀剂,包括以下步骤:制备含有丙烯共聚物作为粘合剂聚合物的光敏聚合物,其中加入光聚合单体,光引发剂,感光剂,成色剂,增塑剂和热稳定剂 ; 将涂覆在聚对苯二甲酸乙二醇酯载体上的感光聚合物干燥成预定厚度; 并以保护的方式层压具有一定表面性质的聚对苯二甲酸乙二醇酯膜。 由于本发明的干膜光致抗蚀剂用于制造印刷电路板和引线框架,并且采用具有优异表面性能的聚对苯二甲酸乙二醇酯膜,可以避免任何问题,例如从该方法产生的空气混合物,与使用 聚乙烯膜作为覆盖膜,从而显着降低最终产品的缺陷率。