blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0500925

EP0500925 - NEW STRUCTURE AND METHOD FOR FABRICATING INDIUM PHOSPHIDE/INDIUM GALLIUM ARSENIDE PHOSPHIDE BURIED HETEROSTRUCTURE SEMICONDUCTOR LASERS [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  19.05.1993
Database last updated on 05.10.2024
Most recent event   Tooltip19.05.1993Withdrawal of applicationpublished on 07.07.1993 [1993/27]
Applicant(s)For all designated states
GTE Laboratories Incorporated
1209 Orange Street Wilmington
Delaware 19801 / US
[N/P]
Former [1992/36]For all designated states
GTE LABORATORIES INCORPORATED
1209 Orange Street
Wilmington Delaware 19801 / US
Inventor(s)01 / HOLMSTROM, Roger, P.
20 Bayfield Road
Wayland, MA 01778 / US
02 / MELAND, Edmund
Six Vincent Street
Chelmsford, MA 01824 / US
03 / POWAZINIK, William
27 Libby Avenue
Marlborough, MA 01752 / US
[1992/36]
Representative(s)Bubb, Antony John Allen, et al
Wilson Gunn Chancery House, Chancery Lane
London WC2A 1QU / GB
[N/P]
Former [1992/36]Bubb, Antony John Allen, et al
GEE & CO. Chancery House Chancery Lane
London WC2A 1QU / GB
Application number, filing date91918807.812.09.1991
[1992/36]
WO1991US06600
Priority number, dateUS1990058340914.09.1990         Original published format: US 583409
[1992/36]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9205576
Date:02.04.1992
Language:EN
[1992/08]
Type: A1 Application with search report 
No.:EP0500925
Date:02.09.1992
Language:EN
The application published by WIPO in one of the EPO official languages on 02.04.1992 takes the place of the publication of the European patent application.
[1992/36]
Search report(s)International search report - published on:US02.04.1992
(Supplementary) European search report - dispatched on:EP06.05.1993
ClassificationIPC:H01L33/00, H01S3/19, H01L21/306
[1993/24]
CPC:
H01S5/227 (EP,US); H01L21/30612 (EP,US); H01L21/30621 (EP,US);
H01S5/06226 (EP,US); H01S5/2275 (EP,US); H01S5/2277 (EP,US);
H01S5/32391 (EP,US) (-)
Former IPC [1992/36]H01L21/20, H01L21/205, H01L21/208, H01L33/00, H01S3/19
Designated contracting statesDE,   FR,   GB,   NL [1992/36]
TitleGerman:NEUE STRUKTUR UND HERSTELLUNGSMETHODE FÜR IN INDIUMPHOSPHID/INDIUM-GALLIUM-ARSENID-PHOSPHID BEGRABENE HETEROSTRUKTURHALBLEITERLASER[1992/36]
English:NEW STRUCTURE AND METHOD FOR FABRICATING INDIUM PHOSPHIDE/INDIUM GALLIUM ARSENIDE PHOSPHIDE BURIED HETEROSTRUCTURE SEMICONDUCTOR LASERS[1992/36]
French:NOUVELLE STRUCTURE ET NOUVEAU PROCEDE POUR FABRIQUER DES LASERS A SEMI-CONDUCTEURS DONT L'HETEROSTRUCTURE EST NOYEE DANS DU PHOSPHURE D'INDIUM/PHOSPURE D'ARSENIURE IMDIUM GALLIUM[1992/36]
File destroyed:03.08.2001
Entry into regional phase27.05.1992National basic fee paid 
27.05.1992Search fee paid 
27.05.1992Designation fee(s) paid 
24.07.1992Examination fee paid 
Examination procedure24.07.1992Examination requested  [1992/39]
13.05.1993Application withdrawn by applicant  [1993/27]
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[X]  - ELECTRONICS LETTERS. vol. 24, no. 24, 24 November 1988, ENAGE GB pages 1483 - 1484 T. TANBUN-EK ET AL. 'High frequency buried heterostructure 1.5 um GaInAsP/InP lasersgrown entirely by metalorganic vapour phase epitaxy in two epitaxial growth steps'
 [XP]  - PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE AND RELATED MATERIALS, Cardiff, UK, 8-11 April 1991, IEEE, New York, USApages 130-133; R.P. HOLMSTROM et al.: "New fabrication method for high frequency InP/InGaAsP buried heterostructure semiconductor lasers."
International search[A]US4264381  (THOMPSON GEORGE H B, et al);
 [A]US4496403  (TURLEY STEPHEN E H [GB]);
 [A]US4644551  (KAWANO HIDOE [JP], et al);
 [A]US4662988  (RENNER DANIEL S O [GB]);
 [A]US4764246  (BRIDGES THOMAS J [US], et al);
 [Y]US4815083  (SUGOU SHIGEO [JP], et al);
 [A]US4818722  (HEINEN JOCHEN [DE]);
 [A]US4830986  (PLUMB RICHARD G S [GB]);
 [P]US4972238  (TANAKA AKIRA [JP]);
 [P]US4987576  (HEINEN JOCHEN [DE]);
 [P]US4990465  (LIAU ZONG-LONG [US], et al);
 [P]US5045499  (NISHIZAWA HIDEAKI [JP], et al);
 [A]JPS56111284  (NIPPON ELECTRIC CO);
 [A]JPS5743428  (NIPPON ELECTRIC CO);
 [A]JPS5992591  (NIPPON ELECTRIC CO);
 JPS59130492  [ ] (HITACHI LTD);
 [Y]JPS59155977  (HITACHI LTD);
 [A]JPS59227177  (HITACHI LTD);
 [A]JPS60251689  (NIPPON TELEGRAPH & TELEPHONE);
 [A]JPS6167980  (ANRITSU CORP);
 [A]JPH01114092  (HITACHI LTD)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.