JP2014526146A - プラズマエッチングを伴うハイブリッド分割ビームレーザスクライビングプロセスを用いたウェハダイシング - Google Patents
プラズマエッチングを伴うハイブリッド分割ビームレーザスクライビングプロセスを用いたウェハダイシング Download PDFInfo
- Publication number
- JP2014526146A JP2014526146A JP2014520222A JP2014520222A JP2014526146A JP 2014526146 A JP2014526146 A JP 2014526146A JP 2014520222 A JP2014520222 A JP 2014520222A JP 2014520222 A JP2014520222 A JP 2014520222A JP 2014526146 A JP2014526146 A JP 2014526146A
- Authority
- JP
- Japan
- Prior art keywords
- mask
- semiconductor wafer
- laser
- laser scribing
- split beam
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 133
- 230000008569 process Effects 0.000 title claims abstract description 89
- 238000001020 plasma etching Methods 0.000 title description 7
- 239000004065 semiconductor Substances 0.000 claims abstract description 74
- 238000000059 patterning Methods 0.000 claims abstract description 17
- 238000005530 etching Methods 0.000 claims description 13
- 239000011241 protective layer Substances 0.000 claims 2
- 235000012431 wafers Nutrition 0.000 description 95
- 239000010410 layer Substances 0.000 description 73
- 239000000758 substrate Substances 0.000 description 48
- 239000000463 material Substances 0.000 description 31
- 229910052710 silicon Inorganic materials 0.000 description 27
- 239000010703 silicon Substances 0.000 description 27
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 229920002120 photoresistant polymer Polymers 0.000 description 14
- 238000012545 processing Methods 0.000 description 13
- 238000003860 storage Methods 0.000 description 13
- 238000002679 ablation Methods 0.000 description 10
- 238000000608 laser ablation Methods 0.000 description 10
- 238000013459 approach Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- URQUNWYOBNUYJQ-UHFFFAOYSA-N diazonaphthoquinone Chemical compound C1=CC=C2C(=O)C(=[N]=[N])C=CC2=C1 URQUNWYOBNUYJQ-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- WGXGKXTZIQFQFO-CMDGGOBGSA-N ethenyl (e)-3-phenylprop-2-enoate Chemical compound C=COC(=O)\C=C\C1=CC=CC=C1 WGXGKXTZIQFQFO-CMDGGOBGSA-N 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
- B23K26/0624—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses using ultrashort pulses, i.e. pulses of 1ns or less
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/066—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms by using masks
- B23K26/0661—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms by using masks disposed on the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
- B23K26/0676—Dividing the beam into multiple beams, e.g. multifocusing into dependently operating sub-beams, e.g. an array of spots with fixed spatial relationship or for performing simultaneously identical operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/361—Removing material for deburring or mechanical trimming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/50—Working by transmitting the laser beam through or within the workpiece
- B23K26/53—Working by transmitting the laser beam through or within the workpiece for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67207—Apparatus for manufacturing or treating in a plurality of work-stations comprising a chamber adapted to a particular process
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
- B23K2103/56—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26 semiconducting
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Laser Beam Processing (AREA)
- Dicing (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
本発明の実施形態は、半導体処理の分野に関し、特に、各ウェハが複数の集積回路を上に有する半導体ウェハをダイシングする方法に関する。
半導体ウェハ処理では、集積回路は、シリコン又は他の半導体材料からなるウェハ(基板ともいう)上に形成されている。一般に、半導体、導電体又は絶縁体のいずれかである様々な材料の層が、集積回路を形成するために利用される。これらの材料は、様々な周知のプロセスを用いてドープされ、堆積され、エッチングされ、これによって集積回路を形成する。各ウェハは、ダイとして知られる集積回路を含む多数の個々の領域を形成するように処理される。
Claims (15)
- 複数の集積回路を含む半導体ウェハをダイシングする方法であって、
集積回路を覆い、保護する層を含むマスクを、半導体ウェハの上方に形成する工程と、
分割ビームレーザスクライビングプロセスでマスクをパターニングし、これによって集積回路間の半導体ウェハの領域を露出させるギャップを有するパターニングされたマスクを提供する工程と、
パターニングされたマスク内のギャップを貫通して半導体ウェハをエッチングし、これによって集積回路を個片化する工程を含む方法。 - 分割ビームレーザスクライビングプロセスでマスクをパターニングする工程が、レーザビームをM×Nの点列に分割する工程を含み、M又はNのうちの1つは1より大きい請求項1記載の方法。
- MとNの両方が1より大きい請求項2記載の方法。
- M×Nの点列の全ての点が同じ出力を有する請求項2記載の方法。
- 第1の点が、第2の点とは異なる出力を有する請求項2記載の方法。
- M=2かつN=2であり、M×Nの点列は、正方形及び長方形から成る群から選択される形状を有する請求項3記載の方法。
- 分割ビームレーザスクライビングプロセスでマスクをパターニングする工程は、フェムト秒ベースのレーザを使用する工程を含む請求項1記載の方法。
- 複数の集積回路を含む半導体ウェハをダイシングする方法であって、
集積回路を覆い、保護する層を含むマスクを、半導体ウェハの上方に形成する工程と、
分割ビームレーザスクライビングプロセスでマスクをパターニングし、これによって集積回路間の半導体ウェハの領域を露出させるギャップを有するパターニングされたマスクを提供する工程であって、分割ビームレーザスクライビングプロセスは、レーザビームをM×Nの点列に分割する工程を含み、MとNの両方が1より大きい工程と、
パターニングされたマスク内のギャップを貫通して集積回路を個片化する工程を含む方法。 - M×Nの点列の全ての点が同じ出力を有する請求項8記載の方法。
- 第1の点が、第2の点とは異なる出力を有する請求項8記載の方法。
- M=2かつN=2であり、M×Nの点列は、正方形及び長方形から成る群から選択される形状を有する請求項8記載の方法。
- 分割ビームレーザスクライビングプロセスでマスクをパターニングする工程は、フェムト秒ベースのレーザを使用する工程を含む請求項8記載の方法。
- パターニングされたマスク内のギャップを貫通して集積回路を個片化する工程は、分割ビームレーザスクライビングプロセスを使用する工程を含む請求項8記載の方法。
- パターニングされたマスク内のギャップを貫通して集積回路を個片化する工程は、分割ビームレーザスクライビングプロセスとは異なるプロセスを使用する工程を含む請求項8記載の方法。
- 複数の集積回路を含む半導体ウェハをダイシングするためのシステムであって、
ファクトリインタフェースと、
ファクトリインタフェースと結合され、ビームスプリッタに結合されたレーザを含むレーザスクライブ装置と、
ファクトリインタフェースと結合されたプラズマエッチングチャンバを含むシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/180,021 | 2011-07-11 | ||
US13/180,021 US8951819B2 (en) | 2011-07-11 | 2011-07-11 | Wafer dicing using hybrid split-beam laser scribing process with plasma etch |
PCT/US2012/045603 WO2013009575A2 (en) | 2011-07-11 | 2012-07-05 | Wafer dicing using hybrid split-beam laser scribing process with plasma etch |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014526146A true JP2014526146A (ja) | 2014-10-02 |
JP2014526146A5 JP2014526146A5 (ja) | 2015-07-09 |
Family
ID=47506812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014520222A Pending JP2014526146A (ja) | 2011-07-11 | 2012-07-05 | プラズマエッチングを伴うハイブリッド分割ビームレーザスクライビングプロセスを用いたウェハダイシング |
Country Status (6)
Country | Link |
---|---|
US (1) | US8951819B2 (ja) |
JP (1) | JP2014526146A (ja) |
KR (1) | KR101552607B1 (ja) |
CN (1) | CN103718287B (ja) |
TW (1) | TWI508155B (ja) |
WO (1) | WO2013009575A2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019512875A (ja) * | 2016-03-03 | 2019-05-16 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 分割ビームのレーザスクライビングプロセスとプラズマエッチングプロセスとを使用する、ハイブリッドなウエハダイシングの手法 |
JP2019149450A (ja) * | 2018-02-27 | 2019-09-05 | 株式会社ディスコ | ウェーハの加工方法 |
KR20200118912A (ko) * | 2018-03-12 | 2020-10-16 | 어플라이드 머티어리얼스, 인코포레이티드 | 다중 통과 레이저 스크라이빙 프로세스 및 플라즈마 에칭 프로세스를 사용하는 하이브리드 웨이퍼 다이싱 접근법 |
JP2020188261A (ja) * | 2017-06-12 | 2020-11-19 | ユニカルタ・インコーポレイテッド | 基板上に個別部品を並列に組み立てる方法 |
US11201077B2 (en) | 2017-06-12 | 2021-12-14 | Kulicke & Soffa Netherlands B.V. | Parallel assembly of discrete components onto a substrate |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8993414B2 (en) * | 2012-07-13 | 2015-03-31 | Applied Materials, Inc. | Laser scribing and plasma etch for high die break strength and clean sidewall |
US9553021B2 (en) * | 2012-09-03 | 2017-01-24 | Infineon Technologies Ag | Method for processing a wafer and method for dicing a wafer |
CN105190862B (zh) * | 2013-03-06 | 2018-09-11 | 等离子瑟姆有限公司 | 用于对半导体晶圆进行等离子切片的方法和设备 |
DE102013005136A1 (de) * | 2013-03-26 | 2014-10-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zurn Abtragen von sprödhartem Material mittels Laserstrahlung |
CN106847924B (zh) * | 2013-06-20 | 2021-03-30 | 英特尔公司 | 具有掺杂的子鳍片区域的非平面半导体器件及其制造方法 |
US20150037915A1 (en) * | 2013-07-31 | 2015-02-05 | Wei-Sheng Lei | Method and system for laser focus plane determination in a laser scribing process |
US9460966B2 (en) * | 2013-10-10 | 2016-10-04 | Applied Materials, Inc. | Method and apparatus for dicing wafers having thick passivation polymer layer |
US9472505B2 (en) * | 2013-12-12 | 2016-10-18 | Intel Corporation | Die or substrate marking using a laser |
US9076860B1 (en) * | 2014-04-04 | 2015-07-07 | Applied Materials, Inc. | Residue removal from singulated die sidewall |
US20150287638A1 (en) * | 2014-04-04 | 2015-10-08 | Jungrae Park | Hybrid wafer dicing approach using collimated laser scribing process and plasma etch |
US9859162B2 (en) | 2014-09-11 | 2018-01-02 | Alta Devices, Inc. | Perforation of films for separation |
US9418895B1 (en) | 2015-03-14 | 2016-08-16 | International Business Machines Corporation | Dies for RFID devices and sensor applications |
US9852997B2 (en) * | 2016-03-25 | 2017-12-26 | Applied Materials, Inc. | Hybrid wafer dicing approach using a rotating beam laser scribing process and plasma etch process |
CN108381042A (zh) * | 2018-03-23 | 2018-08-10 | 伊欧激光科技(苏州)有限公司 | 晶片加工系统及晶片加工方法 |
KR20210049250A (ko) * | 2019-10-24 | 2021-05-06 | 삼성디스플레이 주식회사 | 기판 가공 장치 및 기판 가공 방법 |
CN111822886B (zh) * | 2020-06-11 | 2022-11-22 | 华东师范大学重庆研究院 | 一种微流控芯片微通道的多焦点超快激光制备装置及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005074485A (ja) * | 2003-09-01 | 2005-03-24 | Toshiba Corp | レーザ加工装置、加工マスク、レーザ加工方法、半導体装置の製造方法及び半導体装置 |
JP2006013115A (ja) * | 2004-06-25 | 2006-01-12 | Seiko Epson Corp | エッチング方法及び微細構造体の製造方法 |
JP2006253402A (ja) * | 2005-03-10 | 2006-09-21 | Nec Electronics Corp | 半導体装置の製造方法 |
JP2007129225A (ja) * | 2005-10-31 | 2007-05-24 | Advanced Laser Separation Internatl Bv | 基板の表面内に一つもしくはそれ以上の離間した切断溝を形成するための装置および方法 |
JP2010173316A (ja) * | 2009-02-02 | 2010-08-12 | Institute Of National Colleges Of Technology Japan | スクライブ加工装置及びスクライブ加工方法 |
Family Cites Families (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049944A (en) | 1973-02-28 | 1977-09-20 | Hughes Aircraft Company | Process for fabricating small geometry semiconductive devices including integrated components |
US5373137A (en) | 1994-01-28 | 1994-12-13 | Litton Systems, Inc. | Multiple-line laser writing apparatus and method |
US5593606A (en) | 1994-07-18 | 1997-01-14 | Electro Scientific Industries, Inc. | Ultraviolet laser system and method for forming vias in multi-layered targets |
JPH09216085A (ja) | 1996-02-07 | 1997-08-19 | Canon Inc | 基板の切断方法及び切断装置 |
US6426484B1 (en) | 1996-09-10 | 2002-07-30 | Micron Technology, Inc. | Circuit and method for heating an adhesive to package or rework a semiconductor die |
US5920973A (en) | 1997-03-09 | 1999-07-13 | Electro Scientific Industries, Inc. | Hole forming system with multiple spindles per station |
JP3230572B2 (ja) | 1997-05-19 | 2001-11-19 | 日亜化学工業株式会社 | 窒化物系化合物半導体素子の製造方法及び半導体発光素子 |
US6057180A (en) | 1998-06-05 | 2000-05-02 | Electro Scientific Industries, Inc. | Method of severing electrically conductive links with ultraviolet laser output |
US6562698B2 (en) * | 1999-06-08 | 2003-05-13 | Kulicke & Soffa Investments, Inc. | Dual laser cutting of wafers |
JP2001110811A (ja) | 1999-10-08 | 2001-04-20 | Oki Electric Ind Co Ltd | 半導体装置の製造方法 |
JP4387007B2 (ja) | 1999-10-26 | 2009-12-16 | 株式会社ディスコ | 半導体ウェーハの分割方法 |
JP2001144126A (ja) | 1999-11-12 | 2001-05-25 | Matsushita Electric Ind Co Ltd | 半導体装置の製造方法および半導体装置 |
JP2001148358A (ja) | 1999-11-19 | 2001-05-29 | Disco Abrasive Syst Ltd | 半導体ウェーハ及び該半導体ウェーハの分割方法 |
US6300593B1 (en) * | 1999-12-07 | 2001-10-09 | First Solar, Llc | Apparatus and method for laser scribing a coated substrate |
US6887804B2 (en) | 2000-01-10 | 2005-05-03 | Electro Scientific Industries, Inc. | Passivation processing over a memory link |
JP5123456B2 (ja) | 2000-01-10 | 2013-01-23 | エレクトロ サイエンティフィック インダストリーズ インコーポレーテッド | 導電性リンクのレーザ切断方法およびレーザシステム |
TW504425B (en) | 2000-03-30 | 2002-10-01 | Electro Scient Ind Inc | Laser system and method for single pass micromachining of multilayer workpieces |
JP5033296B2 (ja) | 2000-07-12 | 2012-09-26 | エレクトロ サイエンティフィック インダストリーズ インコーポレーテッド | Icヒューズ切断用シングルパルスのためのuvレーザシステムおよびその方法 |
US6676878B2 (en) | 2001-01-31 | 2004-01-13 | Electro Scientific Industries, Inc. | Laser segmented cutting |
US6759275B1 (en) | 2001-09-04 | 2004-07-06 | Megic Corporation | Method for making high-performance RF integrated circuits |
US6642127B2 (en) | 2001-10-19 | 2003-11-04 | Applied Materials, Inc. | Method for dicing a semiconductor wafer |
JP3910843B2 (ja) | 2001-12-13 | 2007-04-25 | 東京エレクトロン株式会社 | 半導体素子分離方法及び半導体素子分離装置 |
US6706998B2 (en) | 2002-01-11 | 2004-03-16 | Electro Scientific Industries, Inc. | Simulated laser spot enlargement |
AU2003246348A1 (en) | 2002-02-25 | 2003-09-09 | Disco Corporation | Method for dividing semiconductor wafer |
KR100451950B1 (ko) | 2002-02-25 | 2004-10-08 | 삼성전자주식회사 | 이미지 센서 소자 웨이퍼 소잉 방법 |
JP2003257896A (ja) | 2002-02-28 | 2003-09-12 | Disco Abrasive Syst Ltd | 半導体ウェーハの分割方法 |
WO2003090258A2 (en) | 2002-04-19 | 2003-10-30 | Xsil Technology Limited | Laser machining |
JP2004031526A (ja) | 2002-06-24 | 2004-01-29 | Toyoda Gosei Co Ltd | 3族窒化物系化合物半導体素子の製造方法 |
US6582983B1 (en) | 2002-07-12 | 2003-06-24 | Keteca Singapore Singapore | Method and wafer for maintaining ultra clean bonding pads on a wafer |
JP4286497B2 (ja) | 2002-07-17 | 2009-07-01 | 新光電気工業株式会社 | 半導体装置の製造方法 |
JP3908148B2 (ja) | 2002-10-28 | 2007-04-25 | シャープ株式会社 | 積層型半導体装置 |
JP3775410B2 (ja) * | 2003-02-03 | 2006-05-17 | セイコーエプソン株式会社 | レーザー加工方法、レーザー溶接方法並びにレーザー加工装置 |
JP2004273895A (ja) | 2003-03-11 | 2004-09-30 | Disco Abrasive Syst Ltd | 半導体ウエーハの分割方法 |
JP2004322168A (ja) | 2003-04-25 | 2004-11-18 | Disco Abrasive Syst Ltd | レーザー加工装置 |
JP4231349B2 (ja) | 2003-07-02 | 2009-02-25 | 株式会社ディスコ | レーザー加工方法およびレーザー加工装置 |
JP4408361B2 (ja) | 2003-09-26 | 2010-02-03 | 株式会社ディスコ | ウエーハの分割方法 |
US7128806B2 (en) | 2003-10-21 | 2006-10-31 | Applied Materials, Inc. | Mask etch processing apparatus |
JP4471632B2 (ja) | 2003-11-18 | 2010-06-02 | 株式会社ディスコ | ウエーハの加工方法 |
JP2005203541A (ja) | 2004-01-15 | 2005-07-28 | Disco Abrasive Syst Ltd | ウエーハのレーザー加工方法 |
US7459377B2 (en) | 2004-06-08 | 2008-12-02 | Panasonic Corporation | Method for dividing substrate |
US7687740B2 (en) | 2004-06-18 | 2010-03-30 | Electro Scientific Industries, Inc. | Semiconductor structure processing using multiple laterally spaced laser beam spots delivering multiple blows |
JP4018088B2 (ja) | 2004-08-02 | 2007-12-05 | 松下電器産業株式会社 | 半導体ウェハの分割方法及び半導体素子の製造方法 |
US7199050B2 (en) | 2004-08-24 | 2007-04-03 | Micron Technology, Inc. | Pass through via technology for use during the manufacture of a semiconductor device |
JP4018096B2 (ja) | 2004-10-05 | 2007-12-05 | 松下電器産業株式会社 | 半導体ウェハの分割方法、及び半導体素子の製造方法 |
US20060086898A1 (en) * | 2004-10-26 | 2006-04-27 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus of making highly repetitive micro-pattern using laser writer |
US20060146910A1 (en) * | 2004-11-23 | 2006-07-06 | Manoochehr Koochesfahani | Method and apparatus for simultaneous velocity and temperature measurements in fluid flow |
JP4288229B2 (ja) | 2004-12-24 | 2009-07-01 | パナソニック株式会社 | 半導体チップの製造方法 |
US7875898B2 (en) | 2005-01-24 | 2011-01-25 | Panasonic Corporation | Semiconductor device |
JP4478053B2 (ja) | 2005-03-29 | 2010-06-09 | 株式会社ディスコ | 半導体ウエーハ処理方法 |
JP4285455B2 (ja) | 2005-07-11 | 2009-06-24 | パナソニック株式会社 | 半導体チップの製造方法 |
JP4599243B2 (ja) | 2005-07-12 | 2010-12-15 | 株式会社ディスコ | レーザー加工装置 |
JP4769560B2 (ja) | 2005-12-06 | 2011-09-07 | 株式会社ディスコ | ウエーハの分割方法 |
JP4372115B2 (ja) | 2006-05-12 | 2009-11-25 | パナソニック株式会社 | 半導体装置の製造方法、および半導体モジュールの製造方法 |
JP4480728B2 (ja) | 2006-06-09 | 2010-06-16 | パナソニック株式会社 | Memsマイクの製造方法 |
JP4544231B2 (ja) | 2006-10-06 | 2010-09-15 | パナソニック株式会社 | 半導体チップの製造方法 |
JP4840174B2 (ja) * | 2007-02-08 | 2011-12-21 | パナソニック株式会社 | 半導体チップの製造方法 |
JP4840200B2 (ja) | 2007-03-09 | 2011-12-21 | パナソニック株式会社 | 半導体チップの製造方法 |
JP4488037B2 (ja) | 2007-07-24 | 2010-06-23 | パナソニック株式会社 | 半導体ウェハの処理方法 |
JP5205012B2 (ja) * | 2007-08-29 | 2013-06-05 | 株式会社半導体エネルギー研究所 | 表示装置及び当該表示装置を具備する電子機器 |
US7859084B2 (en) | 2008-02-28 | 2010-12-28 | Panasonic Corporation | Semiconductor substrate |
US20090255911A1 (en) | 2008-04-10 | 2009-10-15 | Applied Materials, Inc. | Laser scribing platform and hybrid writing strategy |
TWI384577B (zh) * | 2008-07-31 | 2013-02-01 | Gudeng Prec Industral Co Ltd | 門上凹陷區域兩旁配置有晶圓限制件模組之前開式晶圓盒 |
US8211781B2 (en) * | 2008-11-10 | 2012-07-03 | Stanley Electric Co., Ltd. | Semiconductor manufacturing method |
US8642448B2 (en) | 2010-06-22 | 2014-02-04 | Applied Materials, Inc. | Wafer dicing using femtosecond-based laser and plasma etch |
US8557683B2 (en) * | 2011-06-15 | 2013-10-15 | Applied Materials, Inc. | Multi-step and asymmetrically shaped laser beam scribing |
-
2011
- 2011-07-11 US US13/180,021 patent/US8951819B2/en active Active
-
2012
- 2012-07-05 WO PCT/US2012/045603 patent/WO2013009575A2/en active Application Filing
- 2012-07-05 TW TW101124228A patent/TWI508155B/zh active
- 2012-07-05 CN CN201280038309.9A patent/CN103718287B/zh active Active
- 2012-07-05 JP JP2014520222A patent/JP2014526146A/ja active Pending
- 2012-07-05 KR KR1020147003431A patent/KR101552607B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005074485A (ja) * | 2003-09-01 | 2005-03-24 | Toshiba Corp | レーザ加工装置、加工マスク、レーザ加工方法、半導体装置の製造方法及び半導体装置 |
JP2006013115A (ja) * | 2004-06-25 | 2006-01-12 | Seiko Epson Corp | エッチング方法及び微細構造体の製造方法 |
JP2006253402A (ja) * | 2005-03-10 | 2006-09-21 | Nec Electronics Corp | 半導体装置の製造方法 |
JP2007129225A (ja) * | 2005-10-31 | 2007-05-24 | Advanced Laser Separation Internatl Bv | 基板の表面内に一つもしくはそれ以上の離間した切断溝を形成するための装置および方法 |
JP2010173316A (ja) * | 2009-02-02 | 2010-08-12 | Institute Of National Colleges Of Technology Japan | スクライブ加工装置及びスクライブ加工方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019512875A (ja) * | 2016-03-03 | 2019-05-16 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 分割ビームのレーザスクライビングプロセスとプラズマエッチングプロセスとを使用する、ハイブリッドなウエハダイシングの手法 |
US11217536B2 (en) | 2016-03-03 | 2022-01-04 | Applied Materials, Inc. | Hybrid wafer dicing approach using a split beam laser scribing process and plasma etch process |
JP2022191302A (ja) * | 2016-03-03 | 2022-12-27 | アプライド マテリアルズ インコーポレイテッド | 分割ビームのレーザスクライビングプロセスとプラズマエッチングプロセスとを使用する、ハイブリッドなウエハダイシングの手法 |
JP2020188261A (ja) * | 2017-06-12 | 2020-11-19 | ユニカルタ・インコーポレイテッド | 基板上に個別部品を並列に組み立てる方法 |
US11201077B2 (en) | 2017-06-12 | 2021-12-14 | Kulicke & Soffa Netherlands B.V. | Parallel assembly of discrete components onto a substrate |
JP7130701B2 (ja) | 2017-06-12 | 2022-09-05 | キューリック・アンド・ソファ・ネザーランズ・ベーフェー | 基板上に個別部品を並列に組み立てる方法 |
US11804397B2 (en) | 2017-06-12 | 2023-10-31 | Kulicke & Soffa Netherlands B.V. | Parallel assembly of discrete components onto a substrate |
JP2019149450A (ja) * | 2018-02-27 | 2019-09-05 | 株式会社ディスコ | ウェーハの加工方法 |
KR20200118912A (ko) * | 2018-03-12 | 2020-10-16 | 어플라이드 머티어리얼스, 인코포레이티드 | 다중 통과 레이저 스크라이빙 프로세스 및 플라즈마 에칭 프로세스를 사용하는 하이브리드 웨이퍼 다이싱 접근법 |
KR102476266B1 (ko) | 2018-03-12 | 2022-12-08 | 어플라이드 머티어리얼스, 인코포레이티드 | 다중 통과 레이저 스크라이빙 프로세스 및 플라즈마 에칭 프로세스를 사용하는 하이브리드 웨이퍼 다이싱 접근법 |
Also Published As
Publication number | Publication date |
---|---|
CN103718287B (zh) | 2017-03-15 |
TW201310518A (zh) | 2013-03-01 |
US8951819B2 (en) | 2015-02-10 |
TWI508155B (zh) | 2015-11-11 |
WO2013009575A2 (en) | 2013-01-17 |
WO2013009575A3 (en) | 2013-05-10 |
US20130017668A1 (en) | 2013-01-17 |
KR20140048248A (ko) | 2014-04-23 |
KR101552607B1 (ko) | 2015-09-14 |
CN103718287A (zh) | 2014-04-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6577514B2 (ja) | 水溶性ダイアタッチフィルムを用いたレーザ・プラズマエッチングウェハダイシング | |
KR101552607B1 (ko) | 플라즈마 에칭을 갖는 하이브리드 스플리트-빔 레이저 스크라이빙 프로세스를 이용한 웨이퍼 다이싱하는 방법 | |
JP6642937B2 (ja) | フェムト秒レーザ及びプラズマエッチングを用いたウェハダイシング | |
TWI605508B (zh) | 用於切割具有厚鈍化聚合物層之晶圓的方法以及設備 | |
US8883614B1 (en) | Wafer dicing with wide kerf by laser scribing and plasma etching hybrid approach | |
JP6081993B2 (ja) | プラズマエッチングを伴うハイブリッドガルバニックレーザスクライビングプロセスを用いたウェハダイシング | |
KR102149409B1 (ko) | 물리적으로 제거가능한 마스크를 이용한 레이저 및 플라즈마 에칭 웨이퍼 다이싱 | |
CN108701651B (zh) | 使用分裂光束激光划线工艺与等离子体蚀刻工艺的混合式晶片切割方法 | |
US9349648B2 (en) | Hybrid wafer dicing approach using a rectangular shaped two-dimensional top hat laser beam profile or a linear shaped one-dimensional top hat laser beam profile laser scribing process and plasma etch process | |
KR102303589B1 (ko) | 마스크리스 하이브리드 레이저 스크라이빙 및 플라즈마 에칭 웨이퍼 다이싱 프로세스 | |
JP2015519732A (ja) | プラズマエッチングによるハイブリッドマルチステップレーザスクライビングプロセスを用いたウェハダイシング | |
JP2015528211A (ja) | ダイシングされたウェハの輸送方法 | |
WO2012173793A2 (en) | Wafer dicing using pulse train laser with multiple-pulse bursts and plasma etch | |
US9355907B1 (en) | Hybrid wafer dicing approach using a line shaped laser beam profile laser scribing process and plasma etch process | |
TWI642509B (zh) | 使用時間控制的雷射劃線製程及電漿蝕刻之混合式晶圓切割方法與系統 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150519 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150519 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20150519 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20150615 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150623 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20150916 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20151021 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20151118 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20160308 |