Laminated-print coil structure
CA 1281389 C · Owner: Watanabe, Yoshio · Inventors: Koizumi, Takaaki; Muramoto, Shiyouichi; Watanabe, Yoshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A laminated printed coil structure comprising a wiring board having an insulating substrate lead terminals, and connecting pad portions connected to the lead terminals and formed on one surface of the insulating substrate and a, plurality of printed coil elements each having an insulating layer, coil patterns, a pair of terminals for the coil patterns and a connecting pad electricallky isolated from the terminals formed on the insulating layer. The printed coil elements are piled up and laminated on the wiring board such that the connecting pad portions of the wiring board the terminals of the coil patterns on one of the printed coil elements and the connecting pad on another printed coil …
Read the whole patent
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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2008.
- 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.