Global patent index - EP 1036342 A2

EP 1036342 A2 2000-09-20 - ELEMENT COMPRISING A FILTERING STRUCTURE

Title (en)

ELEMENT COMPRISING A FILTERING STRUCTURE

Title (de)

EINE FILTERSTRUKTUR AUFWEISENDES BAUELEMENT

Title (fr)

ELEMENT PRESENTANT UNE STRUCTURE FILTRANTE

Publication

EP 1036342 A2 (EN)

Application

EP 98961024 A

Priority

  • DE 9803068 W
  • DE 19746089 A

Abstract (en)

[origin: DE19746089A1] One or more further laminations are formed to the first one in a substrate and are offset in depth with respect to the first lamination. The further lamination(s) carries out a different filter function than the first lamination at least one further lamination is exposed by etching, at least partly. The substrate material is typically of Si, Ge, Al, or Si-Ge. There may be further, typically single layers, between the laminations, and grooves or apertures with different optical properties, changed with respect to the other material.

IPC 1-7 (main, further and additional classification)

G02B 5/28

IPC 8 full level (invention and additional information)

G02B 5/20 (2006.01); G02B 5/28 (2006.01); H01L 27/14 (2006.01); H01L 31/0216 (2006.01); H01L 31/10 (2006.01)

CPC (invention and additional information)

G02B 5/285 (2013.01); H01L 31/02165 (2013.01)

Citation (search report)

See references of WO 9921033A3

Designated contracting state (EPC)

DE FR GB IT NL

EPO simple patent family

DE 19746089 A1 19990429; EP 1036342 A2 20000920; JP 2001521177 A 20011106; WO 9921033 A2 19990429; WO 9921033 A3 19990610

INPADOC legal status

2002-11-13 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20020920

2002-07-10 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: FORSCHUNGSZENTRUM JUELICH GMBH

- Ref Legal Event Code: RAP1

2000-09-20 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000412

2000-09-20 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB IT NL