Global Patent Index - EP 1085538 A1

EP 1085538 A1 2001-03-21 - Inductor

Title (en)

Inductor

Title (de)

Induktivität

Title (fr)

Inductance

Publication

EP 1085538 A1 (EN)

Application

EP 00402546 A

Priority

JP 26093699 A

Abstract (en)

There is provided an inductor (1) having a low direct-current resistance and a high Q value. On the surfaces of insulating sheets (11), spiral-shaped coil conductor patterns (3,4) are each formed. Each of the coil conductor patterns (3,4) is set so that the pattern widths of the central portion (j) and the outside portion (k) of the spiral are larger than the pattern width of the inside portion (i) thereof. <IMAGE>

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

H01F 27/28

IPC 8 full level (invention and additional information)

H01F 17/00 (2006.01); H01F 27/28 (2006.01)

CPC (invention and additional information)

H01F 27/2804 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

EP 1085538 A1 20010321; CN 1168102 C 20040922; CN 1288240 A 20010321; JP 2001085230 A 20010330; KR 100408184 B1 20031201; KR 20010067177 A 20010712; TW 463185 B 20011111

INPADOC legal status


2003-08-20 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030128

2002-02-27 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020115

2001-12-12 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: DE ES FR GB IT

2001-03-21 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000923

2001-03-21 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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

2001-03-21 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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