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Extract from the Register of European Patents

EP About this file: EP1243569

EP1243569 - Electrical circuit having a metal-bonded-ceramic material or MBC component as an insulating substrate [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  22.03.2013
Database last updated on 03.10.2024
Most recent event   Tooltip22.03.2013Application deemed to be withdrawnpublished on 24.04.2013  [2013/17]
Applicant(s)For all designated states
DOWA METALTECH CO., LTD.
4-14-1, Soto-Kanda Chiyoda-ku
Tokyo 101-0021 / JP
[2007/46]
Former [2007/45]For all designated states
Dowa Holdings Co., Ltd.
14-1, Sotokanda 4-chome Chiyoda-ku
Tokyo / JP
Former [2002/39]For all designated states
Dowa Mining Co., Ltd.
8-2, Marunouchi 1-chome
Chiyoda-ku, Tokyo / JP
Inventor(s)01 / Nagata, Choju, Dowa Mining Co.. Ltd.
8-2, Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
02 / Ning, Xiao-Shang
DOWA MINING CO.,LTD., 8-2, Marunouchi 1-chome
Chiyoda-ku, Tokyo / JP
03 / Sakuraba, Masami
DOWA MINING CO.,LTD., 8-2, Marunouchi 1-chome
Chiyoda-ku, Tokyo / JP
04 / Tanaka, Toshikazu
DOWA MINING CO.,LTD., 8-2, Marunouchi 1-chome
Chiyoda-ku, Tokyo / JP
05 / Kimura, Masami
DOWA MINING CO.,LTD., 8-2, Marunouchi 1-chome
Chiyoda-ku, Tokyo / JP
 [2002/39]
Representative(s)Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
[2002/39]
Application number, filing date02012565.410.04.1995
[2002/39]
Priority number, dateJP1994009694111.04.1994         Original published format: JP 9694194
[2002/39]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1243569
Date:25.09.2002
Language:EN
[2002/39]
Type: A3 Search report 
No.:EP1243569
Date:19.11.2008
[2008/47]
Search report(s)(Supplementary) European search report - dispatched on:EP17.10.2008
ClassificationIPC:H01L21/48, H01L23/373, C04B41/88, B22D19/14, C23C2/00
[2008/47]
CPC:
C04B41/009 (EP); C04B37/02 (KR); C23C2/0062 (EP,KR,US);
B22D19/14 (EP); C04B41/4523 (EP); C04B41/51 (EP);
C04B41/81 (EP); C04B41/88 (EP); C23C2/12 (EP);
C23C2/36 (EP); C23C30/00 (EP); H01L21/4871 (EP);
H01L23/3735 (EP); H05K3/0061 (EP); C04B2111/00844 (EP);
H01L2924/0002 (EP); H05K1/0271 (EP); H05K1/0306 (EP) (-)
C-Set:
C04B41/009, C04B35/00 (EP);
C04B41/51, C04B41/4523 (EP);
H01L2924/0002, H01L2924/00 (EP)
Former IPC [2002/39]C04B41/88
Designated contracting statesDE,   GB [2002/39]
TitleGerman:Elektrische Schaltung mit einem metallgebundenen Keramik Material oder MGK Komponent als isolierendes Substrat[2002/39]
English:Electrical circuit having a metal-bonded-ceramic material or MBC component as an insulating substrate[2002/39]
French:Circuit électrique comportant un matériau ou un composant à liaison métal-céramique comme substrat isolant[2002/39]
Examination procedure02.07.2002Examination requested  [2002/39]
01.07.2009Despatch of a communication from the examining division (Time limit: M06)
07.01.2010Reply to a communication from the examining division
01.11.2012Application deemed to be withdrawn, date of legal effect  [2013/17]
07.12.2012Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [2013/17]
Parent application(s)   TooltipEP95105372.7  / EP0676800
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued (EP19950105372) is  15.06.1999
Fees paidRenewal fee
02.07.2002Renewal fee patent year 03
02.07.2002Renewal fee patent year 04
02.07.2002Renewal fee patent year 05
02.07.2002Renewal fee patent year 06
02.07.2002Renewal fee patent year 07
02.07.2002Renewal fee patent year 08
22.04.2003Renewal fee patent year 09
19.04.2004Renewal fee patent year 10
14.04.2005Renewal fee patent year 11
16.03.2006Renewal fee patent year 12
12.04.2007Renewal fee patent year 13
22.04.2008Renewal fee patent year 14
23.04.2009Renewal fee patent year 15
23.03.2010Renewal fee patent year 16
21.04.2011Renewal fee patent year 17
Penalty fee
Additional fee for renewal fee
30.04.201218   M06   Not yet paid
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Documents cited:Search[XA]JPS58138061  (SUMITOMO ELECTRIC INDUSTRIES) [X] 1,2,4 * abstract * [A] 3;
 [X]US4409278  (JOCHYM ERIC P [US]) [X] 1-4 * column 2, line 39 - column 8, line 61; figures 2-5; claims 11,13,20 *;
 [XA]EP0097944  (TOKYO SHIBAURA ELECTRIC CO [JP]) [X] 1-3 * page 3, line 17 - page 9, line 19 * [A] 4;
 [A]DE3804124  (HTK GES FUER HOCHTEMPERATURKER [DE]) [A] 1-4* the whole document *;
 [A]EP0351203  (NGK INSULATORS LTD [JP]) [A] 1-4 * column 1, line 3 - column 7, line 50; figures 2,3 *
by applicantJPS5237914
 JPS59121890
 JPH0393687
 JPH03125463
 JPH0412554
 JPH0418746
 JPH04355211
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.