Device for controlling the insulation of printed circuits
CA 1194239 A · Owner: Crouzet Societe Anonyme Francaise · Inventors: Saroul, Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to devices for the quality control of the electrical insulation of printed circuits made in particular in multiple layers superposed on insulating supports of laminar structure by mean conventional or hybrid technologies. To this end the, control device according to the invention essentially comprises : - a specific sensor circuit constituted by a supple insulating screen comprising a plurality of conducting studs; - a scanning circuit associated with said sensor circuit constituted by a metallized insulating layer having at least two coplanar conducting zones insulated by at least one transverse electrical discontinuity; - a measuring apparatus indicative of …
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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 September 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
- 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.