| 发明名称 |
WATER-SOLUBLE FORMULATION FOR MASKING AND THE LIKE, AND METHOD UTILIZING THE SAME |
| 摘要 |
<p>A water-soluble coating or other deposit is produced from a formulation that is comprised of a curable liquid substance and a dispersed, particulate effervescing agent. The formulation is particularly useful as a solder resist in the manufacture of PCBs, and the preferred composition contains n-vinyl-2-pyrrolidone, N,N-dimethyl acrylamide, and polyvinylpyrrolidone.</p> |
| 申请公布号 |
CA2116331(C) |
申请公布日期 |
1998.06.23 |
| 申请号 |
CA19922116331 |
申请日期 |
1992.09.15 |
| 申请人 |
DYMAX CORPORATION |
发明人 |
GROSCLAUDE, GARY V.;BACHMANN, ANDREW G. |
| 分类号 |
B05D1/32;B23K35/22;C09D4/00;C09D5/00;C09D5/20;C09D7/12;G03F7/027;H05K3/00;H05K3/28;H05K3/30;H05K3/34;(IPC1-7):C08J9/08;G03F7/028 |
主分类号 |
B05D1/32 |
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