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Extract from the Register of European Patents

EP About this file: EP1665358

EP1665358 - FABRICATION OF SINGLE OR MULTIPLE GATE FIELD PLATES [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.05.2021
Database last updated on 10.07.2024
FormerThe patent has been granted
Status updated on  29.05.2020
FormerGrant of patent is intended
Status updated on  15.01.2020
FormerExamination is in progress
Status updated on  25.11.2016
Most recent event   Tooltip15.07.2022Lapse of the patent in a contracting state
New state(s): MC		published on 17.08.2022  [2022/33]
Applicant(s)For all designated states
The Regents of the University of California
1111 Franklin Street, 12th Floor
Oakland, CA 94607 / US
For all designated states
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703 / US
[2020/27]
Former [2006/23]For all designated states
The Regents of the University of California
1111 Franklin Street, 12th Floor
Oakland, CA 94607 / US
For all designated states
CREE, INC.
4600 Silicon Drive
Durham, NC 27703 / US
Inventor(s)01 / CHINI, Alessandro
Via Palestro 11
41100 Modena / IT
02 / MISHRA, Umesh, K.
2040 Creekside Road
Montecito, CA 93108 / US
03 / PARIKH, Primit
6832 Shadowbrook Drive
Goleta, CA 93117 / US
04 / WU, Yifeng
528 Fireside Lane
Goleta, CA 93117 / US
 [2020/27]
Former [2007/28]01 / CHINI, Alessandro
Via Palestro 11
Modena 41100 / IT
02 / MISHRA, Umesh, K.
2040 Creekside Road
Montecito, CA 93108 / US
03 / PARIKH, Primit
6832 Shadowbrook Drive
Goleta, CA 93117 / US
04 / WU, Yifeng
528 Fireside Lane
Goleta, CA 93117 / US
Former [2006/23]01 / CHINI, Alessandro
Via Giardini 76/1
I-41100, Modena / IT
02 / MISHRA, Umesh, K.
2040 Creekside Road
Montecito, CA 93108 / US
03 / PARIKH, Primit
6832 Shadowbrook Drive
Goleta, CA 93117 / US
04 / WU, Yifeng
528 Fireside Lane
Goleta, CA 93117 / US
Representative(s)Mewburn Ellis LLP
Aurora Building
Counterslip
Bristol BS1 6BX / GB
[2020/27]
Former [2006/23]Naylor, Matthew John, et al
Mewburn Ellis LLP York House, 23 Kingsway
London WC2B 6HP / GB
Application number, filing date04788636.109.09.2004
[2006/23]
WO2004US29324
Priority number, dateUS20030501557P09.09.2003         Original published format: US 501557 P
[2006/23]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO2005024909
Date:17.03.2005
Language:EN
[2005/11]
Type: A2 Application without search report 
No.:EP1665358
Date:07.06.2006
Language:EN
The application published by WIPO in one of the EPO official languages on 17.03.2005 takes the place of the publication of the European patent application.
[2006/23]
Type: B1 Patent specification 
No.:EP1665358
Date:01.07.2020
Language:EN
[2020/27]
Search report(s)International search report - published on:US26.01.2006
(Supplementary) European search report - dispatched on:EP28.07.2010
ClassificationIPC:H01L29/40, H01L29/423, H01L21/338, H01L29/778, H01L27/06, H01L29/20, H01L29/417
[2019/52]
CPC:
H01L29/404 (EP,US); H01L21/18 (KR); H01L27/0605 (EP,US);
H01L29/2003 (EP,US); H01L29/205 (US); H01L29/40117 (EP,US);
H01L29/402 (EP,US); H01L29/41766 (EP,US); H01L29/42312 (EP,US);
H01L29/66462 (EP,US); H01L29/768 (KR); H01L29/7787 (EP,US);
H01L29/207 (EP,US); H01L29/42316 (EP,US); H01L29/785 (EP,US) (-)
Former IPC [2010/34]H01L29/778, H01L29/40, H01L21/338
Former IPC [2006/23]H01L21/338, H01L31/072, H01L27/095, H01L23/58
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IT,   LI,   LU,   MC,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2020/27]
Former [2006/23]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IT,  LI,  LU,  MC,  NL,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:HERSTELLUNG VON EINER EINZELNEN ODER MEHREREN GATE-FELDPLATTEN[2019/52]
English:FABRICATION OF SINGLE OR MULTIPLE GATE FIELD PLATES[2006/23]
French:FABRICATION D'UNE OU PLUSIEURS PLAQUES DE CHAMP CONNECTÉES AVEC LA GRILLE[2019/52]
Former [2006/23]HERSTELLUNG VON EINZEL- ODER MEHRFACH-GATE-FELDPLATTEN
Former [2006/23]FABRICATION DE PLAQUES MULTIPLES OU UNIQUES A EFFET DE CHAMP GRILLE
Entry into regional phase28.03.2006National basic fee paid 
28.03.2006Search fee paid 
28.03.2006Designation fee(s) paid 
28.03.2006Examination fee paid 
Examination procedure28.03.2006Examination requested  [2006/23]
04.11.2010Despatch of a communication from the examining division (Time limit: M06)
13.05.2011Reply to a communication from the examining division
09.03.2015Despatch of a communication from the examining division (Time limit: M04)
20.07.2015Reply to a communication from the examining division
06.11.2015Despatch of a communication from the examining division (Time limit: M04)
14.03.2016Reply to a communication from the examining division
13.07.2016Despatch of a communication from the examining division (Time limit: M04)
23.11.2016Reply to a communication from the examining division
29.03.2017Despatch of a communication from the examining division (Time limit: M06)
06.10.2017Reply to a communication from the examining division
28.11.2018Despatch of a communication from the examining division (Time limit: M06)
06.06.2019Reply to a communication from the examining division
16.01.2020Communication of intention to grant the patent
19.05.2020Fee for grant paid
19.05.2020Fee for publishing/printing paid
19.05.2020Receipt of the translation of the claim(s)
Divisional application(s)EP12192425.2  / EP2592655
The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  04.11.2010
Opposition(s)06.04.2021No opposition filed within time limit [2021/23]
Fees paidRenewal fee
11.09.2006Renewal fee patent year 03
12.09.2007Renewal fee patent year 04
25.09.2008Renewal fee patent year 05
25.09.2009Renewal fee patent year 06
27.09.2010Renewal fee patent year 07
26.09.2011Renewal fee patent year 08
12.09.2012Renewal fee patent year 09
12.09.2013Renewal fee patent year 10
12.09.2014Renewal fee patent year 11
11.09.2015Renewal fee patent year 12
13.09.2016Renewal fee patent year 13
12.09.2017Renewal fee patent year 14
11.09.2018Renewal fee patent year 15
27.09.2019Renewal fee patent year 16
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.
Lapses during opposition  TooltipHU09.09.2004
AT01.07.2020
CY01.07.2020
CZ01.07.2020
DK01.07.2020
EE01.07.2020
ES01.07.2020
MC01.07.2020
NL01.07.2020
PL01.07.2020
RO01.07.2020
SI01.07.2020
SK01.07.2020
TR01.07.2020
IE09.09.2020
LU09.09.2020
BE30.09.2020
CH30.09.2020
LI30.09.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
[2022/33]
Former [2022/27]HU09.09.2004
AT01.07.2020
CY01.07.2020
CZ01.07.2020
DK01.07.2020
EE01.07.2020
ES01.07.2020
NL01.07.2020
PL01.07.2020
RO01.07.2020
SI01.07.2020
SK01.07.2020
TR01.07.2020
IE09.09.2020
LU09.09.2020
BE30.09.2020
CH30.09.2020
LI30.09.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2022/26]AT01.07.2020
CZ01.07.2020
DK01.07.2020
EE01.07.2020
ES01.07.2020
NL01.07.2020
PL01.07.2020
RO01.07.2020
SI01.07.2020
SK01.07.2020
TR01.07.2020
IE09.09.2020
LU09.09.2020
BE30.09.2020
CH30.09.2020
LI30.09.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/37]AT01.07.2020
CZ01.07.2020
DK01.07.2020
EE01.07.2020
ES01.07.2020
NL01.07.2020
PL01.07.2020
RO01.07.2020
SI01.07.2020
SK01.07.2020
IE09.09.2020
LU09.09.2020
BE30.09.2020
CH30.09.2020
LI30.09.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/36]AT01.07.2020
CZ01.07.2020
DK01.07.2020
EE01.07.2020
ES01.07.2020
NL01.07.2020
PL01.07.2020
RO01.07.2020
SI01.07.2020
SK01.07.2020
LU09.09.2020
BE30.09.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/28]AT01.07.2020
CZ01.07.2020
DK01.07.2020
EE01.07.2020
ES01.07.2020
NL01.07.2020
PL01.07.2020
RO01.07.2020
SK01.07.2020
LU09.09.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/27]AT01.07.2020
CZ01.07.2020
DK01.07.2020
EE01.07.2020
ES01.07.2020
NL01.07.2020
PL01.07.2020
RO01.07.2020
LU09.09.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/22]AT01.07.2020
CZ01.07.2020
DK01.07.2020
EE01.07.2020
ES01.07.2020
NL01.07.2020
PL01.07.2020
RO01.07.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/21]AT01.07.2020
CZ01.07.2020
DK01.07.2020
ES01.07.2020
NL01.07.2020
PL01.07.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/17]AT01.07.2020
CZ01.07.2020
ES01.07.2020
NL01.07.2020
PL01.07.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/11]AT01.07.2020
CZ01.07.2020
ES01.07.2020
PL01.07.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/09]AT01.07.2020
CZ01.07.2020
ES01.07.2020
BG01.10.2020
GR02.10.2020
PT02.11.2020
Former [2021/01]BG01.10.2020
Documents cited:Search[A]US4999682  (XU JINGMING [CA], et al) [A] 16,17* abstract *;
 [XI]US2002145172  (FUJISHIMA NAOTO [JP], et al) [X] 1-7,22-27 * Figs. 18, 22, 23 and corresponding text * * paragraphs [0066] , [0079] , [0210] , [0220] * [I] 8-15,18-21;
 [X]US2002171096  (WAKEJIMA AKIO [JP], et al) [X] 1,2,4,5,7,22-27 * abstract *;
 [XA]US2003006437  (MIZUTA MASASHI [JP], et al) [X] 1,2,4,5,7,22-27 * Fig. 6 and corresponding text * [A] 36;
 [Y]WO03050849  (HRL LAB LLC [US], et al) [Y] 37-46 * Figs. 13, 18 and corresponding text *;
 [XY]US6586813  (NAGAHARA MASAKI [JP]) [X] 28-36,47-51 * Figs. 18, 19 and corresponding text * [Y] 37-46
International search[X]US6586813  (NAGAHARA MASAKI [JP])
ExaminationJP2001237250
 US2002052076
by applicantUS2002145172
 US6586813
 US2003006437
 WO03050849
 US2002171096
 US4999682
 US6586781
 US5290393
 US5686738
 US5393993
 US5523589
 US5739554
 US6316793
 US6548333
 US5192987
 US5296395
    - K ASANO ET AL., "Novel High Power AlGaAs/GaAs HFET with a Field-Modulating Plate Operated at 35V Drain Voltage", IEDM CONFERENCE, (1998), doi:doi:10.1109/IEDM.1998.746246, pages 59 - 62, XP010321500

DOI:   http://dx.doi.org/10.1109/IEDM.1998.746246
    - Y. ANDO ET AL., "10-W/mm AlGaN-GaN HFET With a Field Modulating Plate", IEEE ELECTRON DEVICE LETTERS, (200305), vol. 24, no. 5, doi:doi:10.1109/LED.2003.812532, pages 289 - 291, XP001169733

DOI:   http://dx.doi.org/10.1109/LED.2003.812532
    - Y.-F. WU, A. SAXLER, M. MOORE, R.P. SMITH, S. SHEPPARD, P.M. CHAVARKAR, T. WISLEDER, U.K. MISHRA, P. PARIKH, "30 W/mm GaN HEMTs by field plate optimization", IEEE EDL, (200403), vol. 25, no. 3, doi:doi:10.1109/LED.2003.822667, pages 117 - 119, XP011108466

DOI:   http://dx.doi.org/10.1109/LED.2003.822667
    - S. KARMALKAR, U.K. MISHRA, "Very high voltage AlGaN-GaN HEMT using a field plate deposited on a stepped insulator", SOLID STATE ELECTRONICS, (2001), vol. 45, pages 1645 - 1652
 US20020167023
 US20030020092
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