CPC Subgroup Additional Only
H05K 2203/1377 Protective layers
Full Title
Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00 > Moulding and encapsulation; Deposition techniques; Protective layers > Protective layers
3 direct subcodes
Child Classifications
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- H05K 2203/1383 Temporary protective insulating layer
- H05K 2203/1388 Temporary protective conductive layer
- H05K 2203/1394 Covering open PTHs, e.g. by dry film resist or by metal disc