PRESSURE SENSITIVE ELEMENT, MANUFACTURING METHOD THEREOF, TOUCH PANEL INCLUDING PRESSURE SENSITIVE ELEMENT AND MANUFACTURING METHOD THEREOF

• Main Authors: OGURA TETSUYOSHI, YAZAWA AKI
• Format: Patent
• Language: English; Japanese
• Published: 09.11.2015
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; PHYSICS; RELAYS; SELECTORS; TESTING

PROBLEM TO BE SOLVED: To reduce variation in changes of ohmic value relative to changes in pressing force among plural pressure sensitive elements while improving the durability of the pressure sensitive elements.SOLUTION: A pressure sensitive element 1 includes: a base plate 2; an electric conductive structure 3 extending from the base plate 2; an elastic electrode part 4 facing the front end of the electric conductive structure 3; and a flexible electrode support member 5 facing the base plate 2 being interposed by the electric conductive structure 3 and the elastic electrode part 4, and which supports the elastic electrode part 4. The electric conductive structure 3 extends from the base plate 2 including: a structure member 7 which has the elastic modulus larger than the elastic modulus of the elastic electrode part 4; and a conductor layer 8 covering the surface of the structure member 7. The elastic electrode part 4 has a flat face which faces the electric conductive structure 3 and comes into contact therewith. 【課題】複数の感圧素子において押圧力の変化に対する抵抗値の変化のバラツキを小さくするとともに、感圧素子の耐久性を向上させる。【解決手段】感圧素子１は、基板２と、基板２から延在する導電性構造体３と、導電性構造体３の先端と対向する弾性電極部４と、導電性構造体３と弾性電極部４とを介して基板２に対向し、弾性電極部４を支持し、且つ可撓性を備える電極支持部材５と、を有する。導電性構造体３は、基板２から延在し、弾性電極部４の弾性率に比べて大きい弾性率を備える構造部材７と、構造部材７の表面を覆う導電体層８と、を備える。弾性電極部４は、導電性構造体３と対向して接触する平面を備える。【選択図】図２