(19)
(11) EP 0 539 571 A1

(12)

(43) Date of publication:
05.05.1993 Bulletin 1993/18

(21) Application number: 92912691.0

(22) Date of filing: 13.05.1992
(51) International Patent Classification (IPC): 
G01B 9/ 02( . )
G01J 9/ 02( . )
G01B 11/ 24( . )
(86) International application number:
PCT/US1992/004025
(87) International publication number:
WO 1992/020991 (26.11.1992 Gazette 1992/29)
(84) Designated Contracting States:
DE FR GB IT NL

(30) Priority: 14.05.1991 US 19910701405

(71) Applicant: BLUE SKY RESEARCH, INC.
San Jose, CA 95117 (US)

(72) Inventor:
  • SNYDER, James, J.
    San Jose, CA 95117 (US)

(74) Representative: West, Alan Harry, et al 
R.G.C. Jenkins & Co. 26 Caxton Street
London SW1H 0RJ
London SW1H 0RJ (GB)

   


(54) DYNAMIC SHEARING INTERFEROMETER