(19)

(11)

EP 0 082 194 A1

(12)

(43) Date of publication: 29.06.1983 Bulletin 1983/26 (21) Application number: 82902323.0 (22) Date of filing: 18.06.1982

(51) International Patent Classification (IPC):  C12M 1/ 32( . ) C12M 1/ 20( . ) G01N 21/ 03( . ) B01L 3/ 00( . ) C12M 1/ 34( . ) (86) International application number: PCT/US1982/000839 (87) International publication number: WO 1983/000047 (06.01.1983 Gazette 1983/01)

(84) Designated Contracting States: CH DE FR GB LI NL (30) Priority: 22.06.1981 US 19810276197 (71) Applicant: AMERICAN MICRO SCAN, INC. Campbell, CA 95008 (US)	(72) Inventor: RIEDEL, Chris C. San Jose, CA 95129 (US) (74) Representative: Seaborn, George Stephen, et al  c/o Edward Evans & Co. Chancery House 53-64 Chancery Lane London WC2A 1SD London WC2A 1SD (GB)