Electrodeposition coating process of photoresist for printed circuit board
CA 1337864 C · Owner: Seko, Kenji · Inventors: Hoshino, Masahiro; Kondo, Toshio; Akaki, Yuu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrodeposition coating process of a photoresist for printed circuit board which comprises electrodeposition coating on a conductive surface a photosensitive electrodeposition coatinq composition (A) and thereafter further electrodeposition coating on the resultant coated plate an electrodeposition coating composition (B) composed chiefly of water-soluble or water-dispersible resin having a glass transition temperature (Tg) not lower than 20°C.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 2, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.