Pressure sensor

• US 20030000312A1
• Filed: 06/20/2002
• Published: 01/02/2003
• Est. Priority Date: 06/27/2001
• Status: Active Grant

• Current Assignee: Mitsumi Electric Co., Ltd. (Minebea Mitsumi, Inc.)
• Original Assignee: Mitsumi Electric Co., Ltd. (Minebea Mitsumi, Inc.)
• Inventors: Ono, Atsushi
• Granted Patent: US 6,694,820 B2
• Time in Patent Office: Days
• US Class Current: 73/753
• CPC Class Codes: H01H 13/50 having a single operating member
• CPC Class Codes: H01H 13/785 characterised by the material of the contacts, e.g. conductive polymers
• CPC Class Codes: H01H 2201/036 Variable resistance
• CPC Class Codes: H01H 2215/004 Collapsible dome or bubble

Abstract

In a pressure sensor, a first electrode is formed on a base plate. A insulating laminate material coats the first electrode. A conductive rubber is attached on a click rubber. The conductive rubber is brought into a pressure contact with the first electrode coated with the insulating laminate material.

Claims

1. A pressure sensor, comprising:

a base plate;

a first electrode, formed on the base plate;

a insulating laminate material, which coats the first electrode;

a conductive rubber; and

a click rubber, on which the conductive rubber is attached, for bringing the conductive rubber into a pressure contact with the first electrode coated with the insulating laminate material.

2. The pressure sensor as set forth in claim 1, wherein a coating thickness of the insulating laminate material is substantially constant.

3. The pressure sensor as set forth in claim 1, wherein the first electrode is formed into a C-shape in a plane view.