Title:
MAGNETIC HEAD
Document Type and Number:
Japanese Patent JPH05159501
Kind Code:
A
Abstract:
PURPOSE:To provide a highly reliable magnetic disc unit wherein spring force can be regulated readily at high accuracy. CONSTITUTION:Under a state where a load spring 1 constituting a head is pushed down, a spring 2 is irradiated with a laser beam 4 to partially remove stress therefrom thus regulating the spring force. Alternatively, the spring part 2 is split to provide a slack part and irradiated wish a laser beam from lateral direction thus regulating the spring force.
Inventors:
SHIRAKI KIYONORI
HORIGUCHI YASUSHI
UMAGOE YUKIMORI
HORIGUCHI YASUSHI
UMAGOE YUKIMORI
Application Number:
JP32286691A
Publication Date:
June 25, 1993
Filing Date:
December 06, 1991
Export Citation:
Assignee:
HITACHI LTD
HITACHI COMPUTER PERIPHERALS
HITACHI COMPUTER PERIPHERALS
International Classes:
B21D5/01; B23K26/06; B23K26/073; F16F1/02; G11B21/21; (IPC1-7): B21D5/01; B23K26/00; B23K26/06; F16F1/02; G11B21/21
Attorney, Agent or Firm:
Ogawa Katsuo