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Extract from the Register of European Patents

EP About this file: EP4312275

EP4312275 - CELL STRUCTURES OF INSULATED GATE BIPOLAR TRANSISTOR IGBT WITH A CONTROL GATE AND A CARRIER STORAGE LAYER, AND THEIR MANUFACTURING METHODS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  02.08.2024
Database last updated on 19.10.2024
FormerThe application has been published
Status updated on  29.12.2023
Most recent event   Tooltip02.08.2024The date on which the examining division becomes responsible, has been established 
02.08.2024Request for examination filedpublished on 04.09.2024  [2024/36]
02.08.2024Change - designated statespublished on 04.09.2024  [2024/36]
Applicant(s)For all designated states
Nexperia Technology (Shanghai) Ltd.
Room 201, No. 458 Jumen Road
HuangPu District
Shanghai 200025 / CN
For all designated states
Nexperia B.V.
Jonkerbosplein 52
6534 AB Nijmegen / NL
[2024/05]
Inventor(s)01 / ZHANG, Ken
Shanghai / CN
02 / ZHU, Chunlin
Manchester / GB
03 / JIANG, Ke
Shanghai / CN
 [2024/05]
Representative(s)Pjanovic, Ilija
Nexperia B.V.
Legal & IP
Jonkerbosplein 52
6534 AB Nijmegen / NL
[2024/05]
Application number, filing date23188522.928.07.2023
[2024/05]
Priority number, dateCN20221090911529.07.2022         Original published format: CN202210909115
[2024/05]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4312275
Date:31.01.2024
Language:EN
[2024/05]
Search report(s)(Supplementary) European search report - dispatched on:EP13.12.2023
ClassificationIPC:H01L29/739, H01L21/331, // H01L29/06, H01L29/40, H01L29/417
[2024/05]
CPC:
H01L29/7397 (EP,CN,US); H01L29/7398 (CN); H01L29/063 (US);
H01L21/26513 (US); H01L29/0696 (EP,CN); H01L29/1095 (US);
H01L29/401 (CN); H01L29/42356 (CN); H01L29/4236 (CN);
H01L29/66348 (EP,CN,US); H01L29/0619 (EP); H01L29/407 (EP);
H01L29/417 (EP) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/36]
Former [2024/05]AL,  AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  ME,  MK,  MT,  NL,  NO,  PL,  PT,  RO,  RS,  SE,  SI,  SK,  SM,  TR 
Extension statesBANot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:ZELLSTRUKTUREN AUS EINEM IGBT MIT ISOLIERTEM GATE-BIPOLARTRANSISTOR MIT EINEM STEUERGATE UND EINER TRÄGERSPEICHERSCHICHT UND HERSTELLUNGSVERFAHREN DAFÜR[2024/05]
English:CELL STRUCTURES OF INSULATED GATE BIPOLAR TRANSISTOR IGBT WITH A CONTROL GATE AND A CARRIER STORAGE LAYER, AND THEIR MANUFACTURING METHODS[2024/05]
French:STRUCTURES DE CELLULES D'IGBT À TRANSISTOR BIPOLAIRE À GRILLE ISOLÉE AVEC UNE GRILLE DE COMMANDE ET UNE COUCHE DE STOCKAGE DE SUPPORT, ET LEURS PROCÉDÉS DE FABRICATION[2024/05]
Examination procedure31.07.2024Amendment by applicant (claims and/or description)
31.07.2024Examination requested  [2024/36]
31.07.2024Date on which the examining division has become responsible
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Documents cited:Search[A]EP1760790  (TOYOTA CHUO KENKYUSHO KK [JP], et al) [A] 1-15 * paragraph [0038] ** figure 7 *;
 [Y]US2015069461  (MISU SHINICHIRO [JP], et al) [Y] 1-15 * paragraph [0021] * * paragraph [0045] - paragraph [0047] * * figure 4 *;
 [Y]US2015076554  (LAVEN JOHANNES GEORG [DE], et al) [Y] 1-15 * paragraph [0034] - paragraph [0049] * * figure 1A *;
 [Y]US2018097093  (PFIRSCH FRANK DIETER [DE], et al) [Y] 1-15 * paragraph [0070] - paragraph [0073] * * paragraph [0086] * * figures 9,10 *;
 [Y]US2019074367  (NAITO TATSUYA [JP]) [Y] 1-15 * paragraph [0098] * * paragraph [0127] * * figures 5,10 *
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.