Can I read US4483917 Patent Photoresist Stripper Composition on EtoBox?

US4483917 Patent Photoresist Stripper Composition by heruhandoyo is a document available to read on EtoBox.

What is US4483917 Patent Photoresist Stripper Composition about?

The patent describes an improved photoresist stripper composition that includes methylene chloride, methanol, and methyl formate, which enhances the stripping rate of crosslinked photoresist from printed circuit boards. The formulation aims to provide better line definition and a non-flashing mixture compared to existing commercial strippers. The invention specifies the concentration of methanol and methyl formate to be between 1 to 10 volume percent, with the total of both additives being at least 5 volume

Author

heruhandoyo

Language

EN