Global Patent Index - EP 1076345 A3

EP 1076345 A3 2001-03-07 - Variable inductance element

Title (en)

Variable inductance element

Title (de)

Variables induktives Element

Title (fr)

Elément inductif variable

Publication

EP 1076345 A3 (EN)

Application

EP 00402278 A

Priority

JP 22887999 A

Abstract (en)

[origin: EP1076345A2] A meandering inductor pattern (4) is formed on the upper surface of an insulating substrate (1). The inductor pattern (4) is formed by irradiating a conductor pattern (2) with a laser beam to form U-shaped trimming grooves (10) in the conductor pattern (2) in such a manner that two island-shape rectangular sections (3) are separated from the conductor pattern. <IMAGE>

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

H01F 41/04; H01F 17/00; H01F 21/00

IPC 8 full level (invention and additional information)

H01F 38/08 (2006.01); H01F 17/00 (2006.01); H01F 21/00 (2006.01); H01F 41/04 (2006.01)

CPC (invention and additional information)

H01F 17/0006 (2013.01); H01F 41/045 (2013.01); H01F 21/00 (2013.01); H01F 2021/125 (2013.01)

Citation (search report)

[A] PATENT ABSTRACTS OF JAPAN vol. 005, no. 070 (E - 056) 12 May 1981 (1981-05-12)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1076345 A2 20010214; EP 1076345 A3 20010307; JP 2001052927 A 20010223; KR 100370513 B1 20030129; KR 20010021286 A 20010315; TW 451229 B 20010821

INPADOC legal status


2009-02-11 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20080809

2008-02-27 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20080129

2007-09-12 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: MURATA MANUFACTURING CO., LTD.

2001-11-28 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: DE ES FR GB IT

2001-03-07 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-03-07 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI

2001-02-14 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000826

2001-02-14 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

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

2001-02-14 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI