Patent ID: 7186939
Filing Date: 2007-03-06
Classification: H01H,Y10T

Abstract:
1. A movable contact unit comprising: a base sheet made of an insulating film and having an undersurface, said undersurface having a main adhesive thereon; a supplementary adhesive provided on said undersurface of said base sheet; a first movable contact made of a resilient metal sheet, said first movable contact having a round dome shape with an open bottom, and a dome tip adhered to said undersurface of said base sheet by said main adhesive; and a second movable contact made of a resilient metal sheet, said second movable contact having a round dome shape with an open bottom, and a dome tip adhered to said undersurface of said base sheet by said main adhesive; wherein a first ring-shaped area, in which no main adhesive and no supplementary adhesive is disposed, is formed on said undersurface of said base sheet about an entire periphery of said first movable contact; wherein a second ring-shaped area, in which no main adhesive is disposed, is formed on said undersurface of said base sheet about an entire periphery of said second movable contact, a portion of said second ring-shaped area having no supplementary adhesive; wherein said supplementary adhesive reaches said main adhesive; and wherein said second movable contact is adhered to said base sheet by said main adhesive and said supplementary adhesive.