JPS5262471A - Circuit device for watches - Google Patents

Circuit device for watches

Info

Publication number
JPS5262471A
JPS5262471A JP50137844A JP13784475A JPS5262471A JP S5262471 A JPS5262471 A JP S5262471A JP 50137844 A JP50137844 A JP 50137844A JP 13784475 A JP13784475 A JP 13784475A JP S5262471 A JPS5262471 A JP S5262471A
Authority
JP
Japan
Prior art keywords
watches
circuit device
chip
bonding
wristwatch
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.)
Pending
Application number
JP50137844A
Other languages
Japanese (ja)
Inventor
Yoshio Iinuma
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP50137844A priority Critical patent/JPS5262471A/en
Publication of JPS5262471A publication Critical patent/JPS5262471A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)

Abstract

PURPOSE:In a wristwatch using an IC chip, the IC chip is directly placed within the the watch base board, whereby bonding process and packaging process by wireless bonding are simplified and the improvement in productivity and the reduction in size are achieved.
JP50137844A 1975-11-18 1975-11-18 Circuit device for watches Pending JPS5262471A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50137844A JPS5262471A (en) 1975-11-18 1975-11-18 Circuit device for watches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50137844A JPS5262471A (en) 1975-11-18 1975-11-18 Circuit device for watches

Publications (1)

Publication Number Publication Date
JPS5262471A true JPS5262471A (en) 1977-05-23

Family

ID=15208123

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50137844A Pending JPS5262471A (en) 1975-11-18 1975-11-18 Circuit device for watches

Country Status (1)

Country Link
JP (1) JPS5262471A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164187A (en) * 1984-09-06 1986-04-02 松下電器産業株式会社 Method of producing electronic circuit device
JPH01102800U (en) * 1987-12-25 1989-07-11

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164187A (en) * 1984-09-06 1986-04-02 松下電器産業株式会社 Method of producing electronic circuit device
JPH01102800U (en) * 1987-12-25 1989-07-11

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