Method of sealing electric and electronic parts
CA 1265260 C · Owner: Nakai, Kiyotaka · Inventors: Tauchi, Hitoshi; Inagaki, Akio; Nakai, Kiyotaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of sealing electric and electronic parts comprising employing two different ultraviolet-curing resins for upper and lower layer portions, respectively the resin, employed for the upper layer portion having a smaller specific gravity than that of the resin for the lower layer portion before the resins are cured, and simultaneously curing the resins by irradiation with an ultraviolet ray. The ultraviolet-curing resin employed for the upper layer portion is an epoxy acrylate or epoxy resin while an, urethane acrylate ultraviolet-curing resin is employed for the lower layer portion, and the thickness of the ultraviolet-curing resin employed for the upper layer portion is set at from …
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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 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- 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.