WO2011078520A2 - 후면전계형 이종접합 태양전지 및 그 제조방법 - Google Patents
후면전계형 이종접합 태양전지 및 그 제조방법 Download PDFInfo
- Publication number
- WO2011078520A2 WO2011078520A2 PCT/KR2010/009060 KR2010009060W WO2011078520A2 WO 2011078520 A2 WO2011078520 A2 WO 2011078520A2 KR 2010009060 W KR2010009060 W KR 2010009060W WO 2011078520 A2 WO2011078520 A2 WO 2011078520A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conductivity type
- substrate
- junction region
- type
- solar cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F10/00—Individual photovoltaic cells, e.g. solar cells
- H10F10/10—Individual photovoltaic cells, e.g. solar cells having potential barriers
- H10F10/16—Photovoltaic cells having only PN heterojunction potential barriers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
- H10F71/121—The active layers comprising only Group IV materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F10/00—Individual photovoltaic cells, e.g. solar cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F10/00—Individual photovoltaic cells, e.g. solar cells
- H10F10/10—Individual photovoltaic cells, e.g. solar cells having potential barriers
- H10F10/14—Photovoltaic cells having only PN homojunction potential barriers
- H10F10/146—Back-junction photovoltaic cells, e.g. having interdigitated base-emitter regions on the back side
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/547—Monocrystalline silicon PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/548—Amorphous silicon PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a back-field heterojunction solar cell and a method for manufacturing the same, and more particularly, to a back-field heterojunction solar cell which can maximize photoelectric conversion efficiency of a solar cell by combining a heterojunction solar cell and a back-field solar cell.
- a battery and a method of manufacturing the same are examples of a back-field heterojunction solar cell and a method for manufacturing the same.
- a solar cell is a key element of photovoltaic power generation that converts sunlight directly into electricity, and is basically a diode composed of a p-n junction.
- photovoltaic power is generated between the pn junctions, and when a load or a system is connected to both ends of the solar cell, current flows to generate power.
- a general solar cell has a structure in which a front electrode and a rear electrode are provided at the front and the rear, respectively.
- the front electrode is provided on the front surface of the light receiving surface, the light receiving area is reduced by the area of the front electrode.
- a rear field type solar cell has been proposed.
- the back-field solar cell is characterized by maximizing the light receiving area of the solar cell by providing a (+) electrode and a (-) electrode on the back of the solar cell.
- the solar cell may be referred to as a diode consisting of a p-n junction, which consists of a junction structure of a p-type semiconductor layer and an n-type semiconductor layer.
- p-type impurity ions are implanted into a p-type substrate to form a p-type semiconductor layer (or vice versa) to implement a p-n junction.
- a semiconductor layer in which impurity ions are inevitably required is required.
- the charge generated by the photoelectric conversion is collected and recombined at interstitial sites or substitutional sites existing in the semiconductor layer of the solar cell during movement, which is caused by the photovoltaic of the solar cell. Adversely affect the conversion efficiency.
- a so-called hetero-junction solar cell having an intrinsic layer between the p-type semiconductor layer and the n-type semiconductor layer has been proposed. The recombination rate can be lowered.
- An object of the present invention is to provide a back-field heterojunction solar cell and a method of manufacturing the same, which can maximize the photoelectric conversion efficiency of the solar cell by combining a heterojunction solar cell and a back-field solar cell.
- a back field-type heterojunction solar cell includes a crystalline silicon substrate of a first conductivity type, an intrinsic layer sequentially stacked on the front surface of the substrate, and an amorphous silicon layer of a first conductivity type.
- a method of manufacturing a back-side field heterojunction solar cell comprising preparing a crystalline silicon substrate of a first conductivity type, and forming a junction area of a first conductivity type and a junction area of a second conductivity type inside a rear surface of the substrate. Forming an alternating arrangement, sequentially laminating an intrinsic layer and an amorphous silicon layer of a first conductivity type on the entire surface of the substrate, and forming an anti-reflection film on the amorphous silicon layer of the first conductivity type And forming a first conductivity type electrode and a second conductivity type electrode on the junction area of the first conductivity type and the junction area of the second conductivity type, respectively.
- a method of forming a junction region of a first conductivity type or a junction region of a second conductivity type may include selecting a substrate at a portion where a junction region of a first conductivity type or a junction region of a second conductivity type is to be formed on a rear surface of the substrate. Forming a screen mask to expose the substrate, applying a liquid first conductivity type or second conductivity type impurity onto the entire surface of the substrate including the screen mask, and heat treating the substrate to form a junction region of the first conductivity type. Or forming a junction region of the second conductivity type.
- the method may further include forming a buffer layer on the amorphous silicon layer of the first conductivity type.
- a back field type heterojunction solar cell and a method of manufacturing the same according to the present invention have the following effects.
- both the (+) and (-) electrodes are provided on the rear of the solar cell, the light receiving area can be maximized, and since the intrinsic layer which is not implanted with impurity ions is provided, the recombination rate of the carrier is minimized, It is possible to improve the photoelectric conversion efficiency.
- FIG. 1 is a cross-sectional view of a back-field electric heterojunction solar cell according to an embodiment of the present invention.
- FIGS. 2A to 2G are cross-sectional views illustrating a method of manufacturing a back field heterojunction solar cell according to an embodiment of the present invention.
- FIG. 1 is a cross-sectional view of a back field-type heterojunction solar cell according to an embodiment of the present invention.
- a back-field heterojunction solar cell includes a crystalline silicon substrate 101 of a first conductivity type.
- the first conductivity type may be p-type or n-type
- the second conductivity type is the opposite of the first conductivity type.
- the first conductive type is n-type and the second conductive type is p-type.
- An intrinsic layer 108 and an n-type amorphous semiconductor layer 109 are sequentially stacked on the n-type substrate 101 (n ⁇ ).
- the intrinsic layer 108 may be formed of an amorphous silicon layer similarly to the n-type amorphous semiconductor layer 109.
- An antireflection film 111 made of a silicon oxide film or the like is provided on the n-type amorphous semiconductor layer 109.
- a silicon oxide layer may be further provided as the buffer layer 110 to relieve stress between the n-type amorphous semiconductor layer 109 and the silicon oxide layer.
- the p junction region 104 and the n junction region 107 are provided in a region from the rear surface of the substrate 101 to a predetermined depth inside the substrate 101.
- the p junction region 104 and the n junction region 107 are referred to as semiconductor regions formed by implanting p-type impurity ions and n-type impurity ions into the n-type substrate 101, respectively.
- the n junction regions 107 are alternately disposed on the rear surface of the substrate 101.
- the p electrode 112 and the n electrode 113 are provided on the p junction region 104 and the n junction region 107, respectively.
- 2A to 2G are cross-sectional views illustrating a method of manufacturing a backside field heterojunction solar cell according to an embodiment of the present invention.
- a first conductivity type for example, n-type crystalline silicon substrate 101 is prepared. Then, a texturing process is performed so that irregularities are formed on the surface of the substrate 101.
- the texturing process is for maximizing light absorption, and may be performed using a dry etching method such as wet etching or reactive ion etching.
- a process of forming the p junction region 104 and the n junction region 107 is performed.
- the process of forming the p junction region 104 and the process of forming the n junction region 107 are independently performed sequentially, and the order is irrelevant.
- the first substrate exposing the substrate 101 of the portion where the p junction region 104 is to be formed is formed on the rear surface of the substrate 101.
- the screen mask 102 is formed.
- the liquid p-type impurity 103 is applied onto the entire surface of the substrate 101 including the first screen mask 102 by using a roller or the like.
- a heat treatment process is performed to diffuse the p-type impurity into the substrate 101 to form a p junction region 104 (see FIG. 2C).
- the first screen mask 102 is removed and a second screen mask 105 is formed on the substrate 101.
- the second screen mask 105 selectively exposes the substrate 101 at a portion where the n junction region 107 is to be formed.
- the liquid n-type impurity 106 is coated on the entire surface of the substrate 101.
- the liquid n-type impurity 106 can be applied using a roller similarly to the p-type impurity.
- the heat treatment process is performed to diffuse the n-type impurities into the substrate 101 to form an n junction region 107 (see FIG. 2E).
- the second screen mask 105 is removed.
- an intrinsic layer of amorphous silicon material 108 is laminated on the entire surface of the substrate 101 as shown in FIG. 2F. .
- the intrinsic layer 108 may be formed using plasma enhanced chemical vapor deposition (PECVD).
- PECVD plasma enhanced chemical vapor deposition
- an n-type amorphous silicon layer (n + a-Si: H) is formed on the intrinsic layer 108.
- the n-type amorphous silicon layer may be formed by implanting n-type impurity ions when forming the amorphous silicon layer.
- an antireflection film 111 of silicon nitride film material is formed on the n-type amorphous silicon layer.
- a buffer layer 110 made of a silicon oxide film may be formed on the n-type amorphous silicon layer before the antireflection film 111 is formed.
- both the (+) and (-) electrodes are provided on the rear of the solar cell, the light receiving area can be maximized, and since the intrinsic layer which is not implanted with impurity ions is provided, the recombination rate of the carrier is minimized, It is possible to improve the photoelectric conversion efficiency.
Landscapes
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (5)
- 제 1 도전형의 결정질 실리콘 기판;상기 기판의 전면 상에 순차적으로 적층된 진성층, 제 1 도전형의 비정질 실리콘층;상기 제 2 도전형의 비정질 실리콘 상에 적층된 반사방지막;상기 기판의 후면으로부터 상기 기판 내부의 일정 깊이로 형성된 제 1 도전형의 접합영역과 제 2 도전형의 접합영역; 및상기 제 1 도전형의 접합영역과 제 2 도전형의 접합영역 상에 각각 구비된 제 1 도전형 전극과 제 2 도전형 전극을 포함하여 이루어지며,상기 제 1 도전형 전극과 제 2 도전형 전극은 교번하여 배치되는 것을 특징으로 하는 후면전계형 이종접합 태양전지.
- 제 1 항에 있어서, 상기 제 1 도전형의 비정질 실리콘층과 반사방지막 사이에 버퍼층이 더 구비되는 것을 특징으로 하는 후면전계형 이종접합 태양전지.
- 제 1 도전형의 결정질 실리콘 기판을 준비하는 단계;상기 기판의 후면 내부에 제 1 도전형의 접합영역과 제 2 도전형의 접합영역을 교번하여 배치되도록 형성하는 단계;상기 기판 전면 상에 진성층과 제 1 도전형의 비정질 실리콘층을 순차적으로 적층하는 단계;상기 제 1 도전형의 비정질 실리콘층 상에 반사방지막을 형성하는 단계; 및상기 제 1 도전형의 접합영역과 제 2 도전형의 접합영역 상에 각각 제 1 도전형 전극과 제 2 도전형 전극을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 후면전계형 이종접합 태양전지의 제조방법.
- 제 3 항에 있어서, 제 1 도전형의 접합영역 또는 제 2 도전형의 접합영역을 형성하는 방법은,상기 기판의 후면 상에 제 1 도전형의 접합영역 또는 제 2 도전형의 접합영역이 형성될 부위의 기판을 선택적으로 노출시키는 스크린 마스크를 형성하는 과정과,상기 스크린 마스크를 포함한 기판 전면 상에 액상의 제 1 도전형 또는 제 2 도전형 불순물을 도포하는 과정과,상기 기판을 열처리하여 제 1 도전형의 접합영역 또는 제 2 도전형의 접합영역을 형성하는 과정을 포함하여 구성되는 것을 특징으로 하는 후면전계형 이종접합 태양전지의 제조방법.
- 제 3 항에 있어서, 상기 반사방지막을 형성하는 단계 이전에,상기 제 1 도전형의 비정질 실리콘층 상에 버퍼층을 형성하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 후면전계형 이종접합 태양전지의 제조방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112010004923T DE112010004923T5 (de) | 2009-12-21 | 2010-12-17 | Rückseitenfeld-Typ einer Heteroübergangssolarzelle und ein Herstellungsverfahren dafür |
| US13/516,959 US20120255608A1 (en) | 2009-12-21 | 2010-12-17 | Back-surface-field type of heterojunction solar cell and a production method therefor |
| CN2010800642094A CN102763227A (zh) | 2009-12-21 | 2010-12-17 | 背面场型异质结太阳能电池及其制造方法 |
| JP2012544394A JP2013513965A (ja) | 2009-12-21 | 2010-12-17 | 裏面電界型のヘテロ接合太陽電池及びその製造方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090127928A KR20110071374A (ko) | 2009-12-21 | 2009-12-21 | 후면전계형 이종접합 태양전지 및 그 제조방법 |
| KR10-2009-0127928 | 2009-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2011078520A2 true WO2011078520A2 (ko) | 2011-06-30 |
| WO2011078520A3 WO2011078520A3 (ko) | 2011-11-10 |
Family
ID=44196267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2010/009060 Ceased WO2011078520A2 (ko) | 2009-12-21 | 2010-12-17 | 후면전계형 이종접합 태양전지 및 그 제조방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120255608A1 (ko) |
| JP (1) | JP2013513965A (ko) |
| KR (1) | KR20110071374A (ko) |
| CN (1) | CN102763227A (ko) |
| DE (1) | DE112010004923T5 (ko) |
| WO (1) | WO2011078520A2 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101363002B1 (ko) * | 2011-12-30 | 2014-02-18 | 엘아이지에이디피 주식회사 | 플라즈마를 이용한 기판처리장치 및 기판처리방법 |
| TWI511316B (zh) * | 2015-02-13 | 2015-12-01 | Neo Solar Power Corp | 異質接面太陽能電池及其製造方法 |
| US20160284913A1 (en) * | 2015-03-27 | 2016-09-29 | Staffan WESTERBERG | Solar cell emitter region fabrication using substrate-level ion implantation |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0529638A (ja) * | 1991-07-22 | 1993-02-05 | Sharp Corp | 光電変換装置の製造方法 |
| JP3468670B2 (ja) * | 1997-04-28 | 2003-11-17 | シャープ株式会社 | 太陽電池セルおよびその製造方法 |
| JPH11312814A (ja) * | 1998-04-28 | 1999-11-09 | Toyota Motor Corp | 太陽電池素子 |
| JP4171428B2 (ja) * | 2003-03-20 | 2008-10-22 | 三洋電機株式会社 | 光起電力装置 |
| WO2006075426A1 (ja) * | 2004-12-27 | 2006-07-20 | Naoetsu Electronics Co., Ltd. | 裏面接合型太陽電池及びその製造方法 |
| JP4684056B2 (ja) * | 2005-09-16 | 2011-05-18 | シャープ株式会社 | 太陽電池の製造方法 |
| US20080000522A1 (en) * | 2006-06-30 | 2008-01-03 | General Electric Company | Photovoltaic device which includes all-back-contact configuration; and related processes |
| EP2087527A1 (en) * | 2006-12-01 | 2009-08-12 | Sharp Kabushiki Kaisha | Solar cell and method for manufacturing the same |
| JP5127252B2 (ja) * | 2007-02-02 | 2013-01-23 | 京セラ株式会社 | 光電変換素子の製造方法 |
| US20090293948A1 (en) * | 2008-05-28 | 2009-12-03 | Stichting Energieonderzoek Centrum Nederland | Method of manufacturing an amorphous/crystalline silicon heterojunction solar cell |
| JP2010258043A (ja) * | 2009-04-21 | 2010-11-11 | Sanyo Electric Co Ltd | 太陽電池 |
-
2009
- 2009-12-21 KR KR1020090127928A patent/KR20110071374A/ko not_active Withdrawn
-
2010
- 2010-12-17 JP JP2012544394A patent/JP2013513965A/ja active Pending
- 2010-12-17 DE DE112010004923T patent/DE112010004923T5/de not_active Ceased
- 2010-12-17 US US13/516,959 patent/US20120255608A1/en not_active Abandoned
- 2010-12-17 CN CN2010800642094A patent/CN102763227A/zh active Pending
- 2010-12-17 WO PCT/KR2010/009060 patent/WO2011078520A2/ko not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011078520A3 (ko) | 2011-11-10 |
| CN102763227A (zh) | 2012-10-31 |
| DE112010004923T5 (de) | 2012-11-08 |
| KR20110071374A (ko) | 2011-06-29 |
| US20120255608A1 (en) | 2012-10-11 |
| JP2013513965A (ja) | 2013-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2011078521A2 (ko) | 후면전계형 이종접합 태양전지 및 그 제조방법 | |
| KR101000064B1 (ko) | 이종접합 태양전지 및 그 제조방법 | |
| TWI474494B (zh) | 多晶矽發射極太陽能電池所用的圖案化摻雜 | |
| KR101225978B1 (ko) | 태양전지 및 그 제조방법 | |
| KR20100107258A (ko) | 태양전지 및 그 제조방법 | |
| US9929294B2 (en) | Photoelectric conversion device, manufacturing method thereof, and photoelectric conversion module | |
| JP7023976B2 (ja) | P型perc両面太陽電池の製造方法 | |
| WO2011081336A2 (ko) | 후면전극형 태양전지의 제조방법 | |
| KR102148427B1 (ko) | 광전소자 및 그 제조방법 | |
| KR101612133B1 (ko) | Mwt형 태양전지 및 그 제조방법 | |
| CN103904138A (zh) | 一种全背面接触晶硅电池及其制备方法 | |
| KR102547804B1 (ko) | 양면 수광형 실리콘 태양전지 및 그 제조 방법 | |
| WO2011078520A2 (ko) | 후면전계형 이종접합 태양전지 및 그 제조방법 | |
| KR101238988B1 (ko) | 후면전극형 태양전지 및 그 제조방법 | |
| KR20140022508A (ko) | 후면전극형 이종접합 태양전지의 제조방법 | |
| KR20120004174A (ko) | 후면전극형 태양전지 및 그 제조방법 | |
| CN102683504B (zh) | 通过离子注入砷改进晶体硅太阳能电池制作工艺的方法 | |
| KR101958819B1 (ko) | 양면 수광형 태양전지의 제조 방법 | |
| KR20120062432A (ko) | 태양전지 및 그 제조방법 | |
| WO2011078516A2 (ko) | 후면전계형 이종접합 태양전지의 제조방법 | |
| WO2011078518A2 (ko) | 후면전계형 이종접합 태양전지의 제조방법 | |
| US8852982B2 (en) | Photoelectric device and manufacturing method thereof | |
| KR20130089052A (ko) | 후면전극형 태양전지 및 그 제조방법 | |
| WO2011078517A2 (ko) | 후면전계형 이종접합 태양전지의 제조방법 | |
| KR101137068B1 (ko) | 후면전극형 태양전지의 제조방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 201080064209.4 Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10839717 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2012544394 Country of ref document: JP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 13516959 Country of ref document: US |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1120100049238 Country of ref document: DE Ref document number: 112010004923 Country of ref document: DE |
|
| 32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC -FORM 1205A (08.10.2012) |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 10839717 Country of ref document: EP Kind code of ref document: A2 |