JPH02150797U

JPH02150797U -

Info

Publication number: JPH02150797U
Application number: JP6072689U
Authority: JP
Priority date: 1989-05-25
Filing date: 1989-05-25
Publication date: 1990-12-27

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の一部切欠平面図、
第２図はその基盤に良導金属膜を設けた平面図、
第３図は要部の拡大縦断面図、第４図は別例の平
面図、第５図はその基盤に良導金属膜を設けた平
面図、第６図は電気接続部の別例を示す拡大縦断
面図、第７図は従来の平面図である。１……セラミツク基盤、１ａ……通電端子孔、
１ｂ……隔離帯、２……良導金属膜、３……半導
電発熱膜、４……導通ビス、５……台形座金、６
……ナツト、Ａ，Ｂ，Ｃ……端子。 FIG. 1 is a partially cutaway plan view of an embodiment of the present invention.
Figure 2 is a plan view of the base with a highly conductive metal film.
Fig. 3 is an enlarged longitudinal sectional view of the main part, Fig. 4 is a plan view of another example, Fig. 5 is a plan view of the base with a good conductive metal film, and Fig. 6 is another example of the electrical connection part. The enlarged vertical sectional view shown in FIG. 7 is a conventional plan view. 1... Ceramic substrate, 1a... Current-carrying terminal hole,
1b...Isolation band, 2...Good conductive metal film, 3...Semiconducting heating film, 4...Conducting screw, 5...Trapezoidal washer, 6
...Natsuto, A, B, C...terminals.

Claims

[Claims for Utility Model Registration] (1) In a device that generates heat by closely adhering a semiconductive heating film to the surface of an insulating substrate and making the heating film conductive, a narrow and long half area including each electrical connection part A planar heating element characterized in that a flexible, highly conductive metal film is baked onto or below the heating film at a portion of the conductive heating film. (2) The planar heating element according to claim 1, wherein a highly conductive metal film is provided between opposing side edges of the insulating base. (3) The insulating base is a ceramic board, and a flexible, highly conductive metal film is closely adhered to the surface of the ceramic board in a narrow and long area including each electrical connection part, and the ceramic board containing the good conductive metal film is 3. A planar heating element according to claim 1 or 2, wherein a semiconductive heating film is baked onto the heating element.