GB1541513A - Semiconductor keyswitch arrangement - Google Patents

Semiconductor keyswitch arrangement

Info

Publication number
GB1541513A
GB1541513A GB854177A GB854177A GB1541513A GB 1541513 A GB1541513 A GB 1541513A GB 854177 A GB854177 A GB 854177A GB 854177 A GB854177 A GB 854177A GB 1541513 A GB1541513 A GB 1541513A
Authority
GB
United Kingdom
Prior art keywords
keyswitch
semiconductor
arrangement
semiconductor keyswitch
keyswitch arrangement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB854177A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB854177A priority Critical patent/GB1541513A/en
Publication of GB1541513A publication Critical patent/GB1541513A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/84—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by variation of applied mechanical force, e.g. of pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/0036—Switches making use of microelectromechanical systems [MEMS]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/052—Strain gauge

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
GB854177A 1977-03-01 1977-03-01 Semiconductor keyswitch arrangement Expired GB1541513A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB854177A GB1541513A (en) 1977-03-01 1977-03-01 Semiconductor keyswitch arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB854177A GB1541513A (en) 1977-03-01 1977-03-01 Semiconductor keyswitch arrangement

Publications (1)

Publication Number Publication Date
GB1541513A true GB1541513A (en) 1979-03-07

Family

ID=9854442

Family Applications (1)

Application Number Title Priority Date Filing Date
GB854177A Expired GB1541513A (en) 1977-03-01 1977-03-01 Semiconductor keyswitch arrangement

Country Status (1)

Country Link
GB (1) GB1541513A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128404A (en) * 1982-10-04 1984-04-26 Becton Dickinson Co Piezoresistive transducer
GB2139811A (en) * 1983-05-10 1984-11-14 Standard Telephones Cables Ltd Switch device
US4959515A (en) * 1984-05-01 1990-09-25 The Foxboro Company Micromechanical electric shunt and encoding devices made therefrom

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128404A (en) * 1982-10-04 1984-04-26 Becton Dickinson Co Piezoresistive transducer
GB2139811A (en) * 1983-05-10 1984-11-14 Standard Telephones Cables Ltd Switch device
US4959515A (en) * 1984-05-01 1990-09-25 The Foxboro Company Micromechanical electric shunt and encoding devices made therefrom

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee