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Extract from the Register of European Patents

EP About this file: EP2573825

EP2573825 - Multi-layer back surface field layer in a solar cell structure [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.12.2020
Database last updated on 06.07.2024
FormerThe patent has been granted
Status updated on  17.01.2020
FormerGrant of patent is intended
Status updated on  13.09.2019
FormerExamination is in progress
Status updated on  24.07.2019
FormerGrant of patent is intended
Status updated on  27.03.2019
FormerExamination is in progress
Status updated on  15.06.2018
Most recent event   Tooltip08.07.2022Lapse of the patent in a contracting state
New state(s): MK		published on 10.08.2022  [2022/32]
Applicant(s)For all designated states
The Boeing Company
100 North Riverside Plaza
Chicago, IL 60606-1596 / US
[2020/08]
Former [2013/13]For all designated states
The Boeing Company
100 North Riverside Plaza
Chicago, IL 60606-2016 / US
Inventor(s)01 / Xing-Quan, Liu
904 West Huntington Drive, Apt 4
Arcadia, CA 91007 / US
02 / Law, Daniel C.
662 West Camino Real Avenue
Arcadia, CA 91007 / US
03 / Rehder, Eric Michael
2313 Norwalk Avenue
Los Angeles, CA 92708 / US
04 / Fetzer, Christopher M.
28107 Daydream Way
Valencia, CA 91354 / US
05 / King, Richard R.
769 Lynnmere Drive
Thousand Oaks, CO 91360 / US
 [2013/13]
Representative(s)Howson, Richard Giles Bentham, et al
Kilburn & Strode LLP
Lacon London
84 Theobalds Road
London WC1X 8NL / GB
[2020/08]
Former [2013/13]Howson, Richard G.B., et al
Kilburn & Strode LLP
20 Red Lion Street
London WC1R 4PJ / GB
Application number, filing date12185114.119.09.2012
[2013/13]
Priority number, dateUS20111323996922.09.2011         Original published format: US201113239969
[2013/13]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2573825
Date:27.03.2013
Language:EN
[2013/13]
Type: B1 Patent specification 
No.:EP2573825
Date:19.02.2020
Language:EN
[2020/08]
Search report(s)(Supplementary) European search report - dispatched on:EP23.01.2013
ClassificationIPC:H01L31/0216, H01L31/0687, H01L31/0304, H01L31/18
[2019/15]
CPC:
H01L31/03046 (EP,US); H01L31/02167 (EP,US); H01L31/0687 (EP,US);
H01L31/0693 (EP); H01L31/1844 (EP,US); Y02E10/544 (EP,US)
Former IPC [2013/13]H01L31/18, H01L31/0687, H01L31/0304
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,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2013/13]
TitleGerman:Mehrschichtige Rückseitenfeldschicht in einer Solarzellenstruktur[2013/13]
English:Multi-layer back surface field layer in a solar cell structure[2013/13]
French:Couche de champ de surface arrière multicouche dans une structure de cellule solaire[2013/13]
Examination procedure19.09.2012Examination requested  [2013/13]
26.09.2013Amendment by applicant (claims and/or description)
19.06.2018Despatch of a communication from the examining division (Time limit: M04)
03.10.2018Reply to a communication from the examining division
28.03.2019Communication of intention to grant the patent
24.07.2019Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
24.07.2019Fee for grant paid
24.07.2019Fee for publishing/printing paid
20.09.2019Communication of intention to grant the patent
09.01.2020Receipt of the translation of the claim(s)
Divisional application(s)EP19188173.9  / EP3579282
The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  19.06.2018
Opposition(s)20.11.2020No opposition filed within time limit [2021/04]
Fees paidRenewal fee
29.09.2014Renewal fee patent year 03
28.09.2015Renewal fee patent year 04
27.09.2016Renewal fee patent year 05
27.09.2017Renewal fee patent year 06
27.09.2018Renewal fee patent year 07
27.09.2019Renewal fee patent year 08
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  TooltipHU19.09.2012
AL19.02.2020
AT19.02.2020
CY19.02.2020
CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
IT19.02.2020
LT19.02.2020
LV19.02.2020
MC19.02.2020
MK19.02.2020
MT19.02.2020
NL19.02.2020
PL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SI19.02.2020
SK19.02.2020
SM19.02.2020
TR19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
IE19.09.2020
LU19.09.2020
BE30.09.2020
CH30.09.2020
LI30.09.2020
[2022/31]
Former [2022/30]HU19.09.2012
AL19.02.2020
AT19.02.2020
CY19.02.2020
CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
IT19.02.2020
LT19.02.2020
LV19.02.2020
MC19.02.2020
MT19.02.2020
NL19.02.2020
PL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SI19.02.2020
SK19.02.2020
SM19.02.2020
TR19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
IE19.09.2020
LU19.09.2020
BE30.09.2020
CH30.09.2020
LI30.09.2020
Former [2022/27]HU19.09.2012
AT19.02.2020
CY19.02.2020
CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
IT19.02.2020
LT19.02.2020
LV19.02.2020
MC19.02.2020
MT19.02.2020
NL19.02.2020
PL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SI19.02.2020
SK19.02.2020
SM19.02.2020
TR19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
IE19.09.2020
LU19.09.2020
BE30.09.2020
CH30.09.2020
LI30.09.2020
Former [2022/26]AT19.02.2020
CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
IT19.02.2020
LT19.02.2020
LV19.02.2020
MC19.02.2020
NL19.02.2020
PL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SI19.02.2020
SK19.02.2020
SM19.02.2020
TR19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
IE19.09.2020
LU19.09.2020
BE30.09.2020
CH30.09.2020
LI30.09.2020
Former [2021/37]AT19.02.2020
CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
IT19.02.2020
LT19.02.2020
LV19.02.2020
MC19.02.2020
NL19.02.2020
PL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SI19.02.2020
SK19.02.2020
SM19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
IE19.09.2020
LU19.09.2020
BE30.09.2020
CH30.09.2020
LI30.09.2020
Former [2021/36]AT19.02.2020
CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
IT19.02.2020
LT19.02.2020
LV19.02.2020
MC19.02.2020
NL19.02.2020
PL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SI19.02.2020
SK19.02.2020
SM19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
LU19.09.2020
BE30.09.2020
Former [2021/27]AT19.02.2020
CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
IT19.02.2020
LT19.02.2020
LV19.02.2020
MC19.02.2020
NL19.02.2020
PL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SI19.02.2020
SK19.02.2020
SM19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
LU19.09.2020
Former [2021/23]AT19.02.2020
CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
IT19.02.2020
LT19.02.2020
LV19.02.2020
MC19.02.2020
NL19.02.2020
PL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SI19.02.2020
SK19.02.2020
SM19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
Former [2021/10]AT19.02.2020
CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
IT19.02.2020
LT19.02.2020
LV19.02.2020
NL19.02.2020
PL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SI19.02.2020
SK19.02.2020
SM19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
Former [2020/50]CZ19.02.2020
DK19.02.2020
EE19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
LT19.02.2020
LV19.02.2020
NL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SK19.02.2020
SM19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
Former [2020/49]CZ19.02.2020
DK19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
LT19.02.2020
LV19.02.2020
NL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SK19.02.2020
SM19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
Former [2020/48]DK19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
LT19.02.2020
LV19.02.2020
NL19.02.2020
RO19.02.2020
RS19.02.2020
SE19.02.2020
SM19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
PT12.07.2020
Former [2020/47]DK19.02.2020
ES19.02.2020
FI19.02.2020
HR19.02.2020
LT19.02.2020
LV19.02.2020
NL19.02.2020
RS19.02.2020
SE19.02.2020
BG19.05.2020
NO19.05.2020
GR20.05.2020
IS19.06.2020
Former [2020/45]FI19.02.2020
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NL19.02.2020
RS19.02.2020
SE19.02.2020
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GR20.05.2020
IS19.06.2020
Former [2020/40]FI19.02.2020
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RS19.02.2020
SE19.02.2020
BG19.05.2020
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IS19.06.2020
Former [2020/39]FI19.02.2020
HR19.02.2020
LV19.02.2020
RS19.02.2020
SE19.02.2020
BG19.05.2020
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Former [2020/38]FI19.02.2020
HR19.02.2020
LV19.02.2020
RS19.02.2020
SE19.02.2020
NO19.05.2020
GR20.05.2020
Former [2020/37]FI19.02.2020
HR19.02.2020
LV19.02.2020
RS19.02.2020
SE19.02.2020
NO19.05.2020
Former [2020/35]FI19.02.2020
NO19.05.2020
Documents cited:Search[XI]US6150603  (KARAM NASSER H [US], et al) [X] 1,2,5,6 * abstract * * column 2, line 61 - column 3, line 6 * * column 6, line 35 - line 45 * * column 7, line 4 - line 9 * * column 7, line 56 - column 8, line 43 * [I] 7;
 [A]US2003145884  (KING RICHARD ROLAND [US], et al) [A] 1-7 * abstract * * paragraphs [0021] , [0036] , [0048] *;
 [XI]  - KURITA H ET AL, "HIGH-EFFICIENCY MONOLITHIC INGAP/GAAS TANDEM SOLAR CELLS WITH IMPROVED TOP-CELL BACK-SURFACE-FIELD LAYERS", PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE AND RELATED MATERIALS. HOKKAIDO, MAY 9 - 13, 1995; [PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE AND RELATED MATERIALS], NEW YORK, IEEE, US, (19950509), vol. CONF. 7, ISBN 978-0-7803-2148-9, pages 516 - 519, XP000630672 [X] 1,2,8 * abstract * * page 517 * [I] 7
 [XI]  - RAFAT N H ET AL, "BACK SURFACE FIELDS FOR N/P AND P/N GAINP SOLAR CELLS", WORLD CONFERENCE ON PHOTOVOLTAIC ENERGY. WAIKOLOA, DEC. 5 - 9, 1994; [WORLD CONFERENCE ON PHOTOVOLTAIC ENERGY], NEW YORK, IEEE, US, (19941205), vol. CONF. 1, doi:10.1109/WCPEC.1994.520740, ISBN 978-0-7803-1460-3, pages 1906 - 1909, XP000680170 [X] 1-4 * abstract * * page 1906, column right * * page 1907 - page 1908 * [I] 7

DOI:   http://dx.doi.org/10.1109/WCPEC.1994.520740
 [XI]  - HASSANE BENSLIMANE ET AL, "Theoretical performance of GaAs solar cell, with band gap gradient layer on the back region", MICROELECTRONICS (ICM), 2009 INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, (20091219), ISBN 978-1-4244-5814-1, pages 398 - 401, XP031631840 [X] 1,2,6 * abstract * * page 400 - page 401 * [I] 7
 [A]  - TIMÒ G. ET AL, "Preliminary Investigation on Triple Junction InGaP/InGaAs/Ge Solar Cells Grown on Thin Wafers for Space and Terresterial Application", PROCEEDINGS OF THE 21ST EUROPEAN PHOTOVOLTAIC SOLAR ENERGY CONFERENCE, Dresden-Germany, (20060904), ISBN 978-3-936338-20-1, pages 29 - 34, XP040512128 [A] 1-4,7 * abstract * * page 32, column right - page 33, column left *
ExaminationJPH08204215
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.