Electric heating – Heating devices – With heating unit structure
Patent
1993-04-27
1994-08-30
Reynolds, Bruce A.
Electric heating
Heating devices
With heating unit structure
219469, 219216, H05B 308
Patent
active
053430212
ABSTRACT:
A heater that has a plate shaped substrate with two holes penetrating through the substrate. Both holes are at one end of the substrate. The heater has a heating film mounted on the surface of the substrate for generating heat. The film is made of electrically conductive material and formed into a stripe shape having a first end and a second end. The first end is located near the hole. The heater also has an end film coated on the surface of the heating film around the hole and electrically connected with the heating film for supplying electric power to the heating film. The end film has higher electrical conductivity than the heating film. The substrate has means provided at the hole for supplying the electric power to the end film. The hole enables high reliability in electrical connection between the outer terminal and the heater because of the hole and the electric power supply means at the hole.
REFERENCES:
patent: 3260981 (1966-07-01), Elliot
patent: 3648364 (1972-03-01), Endo
patent: 4593181 (1986-06-01), Jensen et al.
patent: 4792646 (1988-12-01), Enomoto
patent: 4851808 (1989-07-01), Sugata et al.
patent: 5068517 (1991-11-01), Tsuyuki et al.
patent: 5083168 (1992-01-01), Kusaka et al.
Matsunaga Yoshiyuki
Ono Tsuyoshi
Sato Shigehiro
Reynolds Bruce A.
Switzer Michael D.
Toshiba Lighting & Technology Corporation
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