JP7636118B2 - 積層デバイスウェーハの形成方法 - Google Patents
積層デバイスウェーハの形成方法 Download PDFInfo
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- 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
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- 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
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- 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
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- 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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
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- H—ELECTRICITY
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- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
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- H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
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- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/6834—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used to protect an active side of a device or wafer
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- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68381—Details of chemical or physical process used for separating the auxiliary support from a device or wafer
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68381—Details of chemical or physical process used for separating the auxiliary support from a device or wafer
- H01L2221/68386—Separation by peeling
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- H01L2223/54426—Marks applied to semiconductor devices or parts for alignment
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- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10D89/00
- H01L25/0652—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10D89/00 the devices being arranged next and on each other, i.e. mixed assemblies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10D89/00
- H01L25/0657—Stacked arrangements of devices
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- Chemical Kinetics & Catalysis (AREA)
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- Dicing (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Description
平均出力 :1W
繰り返し周波数:100kHz
回転速度 :180°/s
平均出力 :1W
繰り返し周波数:100kHz
加工送り速度 :800mm/s
11:第1デバイスウェーハ、11a:表面、11b:裏面、11c:ノッチ
11d:面取り部、11e:外周縁、11f:段差部、13:ウェーハ
12:回転軸、14:粗研削ユニット、16:スピンドルハウジング、18:スピンドル
15,15a,15b:分割予定ライン
15a1:第1の分割予定ライン(第1の所定ライン)
15a2:第2の分割予定ライン(第2の所定ライン)
15b3:第3の分割予定ライン(第3の所定ライン)
15b4:第4の分割予定ライン(第4の所定ライン)
17a:第1方向、17b:第2方向
19:デバイス、19A:領域、19a:デバイス領域
20:マウント、22:粗研削ホイール、22a:ホイール基台、22b:粗研削砥石
21:第2デバイスウェーハ、21a:表面、21b:裏面
23:積層デバイスウェーハ、29a:デバイス領域、29b:外周余剰領域
30:貼り合わせ装置、32:顕微鏡カメラユニット(撮像ユニット)
33:仮固定基板、35:仮接着層、37:接着層、39a,39b:距離
40:レーザー加工装置、42:回転軸
44:レーザービーム照射ユニット、46:集光器
43:改質層、43a:第1の改質層、43b:第2の改質層
45a:第1の加工予定ライン、45b:第2の加工予定ライン、47:クラック
31:第3デバイスウェーハ、41:第4デバイスウェーハ
51:第5デバイスウェーハ、53:積層デバイスウェーハ
A,B:領域、L:レーザービーム
Claims (6)
- 表面に複数の分割予定ラインが格子状に設定され該複数の分割予定ラインによって区画された複数の領域の各々にデバイスがそれぞれ形成されている第1デバイスウェーハ及び第2デバイスウェーハを貼り合わせて、複数のデバイスウェーハが積層された積層デバイスウェーハを形成する積層デバイスウェーハの形成方法であって、
該第1デバイスウェーハを加工して、該第1デバイスウェーハの該表面側の外周部に形成されている面取り部を少なくとも除去する除去ステップと、
該除去ステップの後、該第1デバイスウェーハの裏面側を研削して薄化する薄化ステップと、
該薄化ステップの後、該第1デバイスウェーハと、該第2デバイスウェーハと、を貼り合わせる貼り合わせステップと、
を備え、
該貼り合わせステップは、該第1デバイスウェーハの該表面側の外周部に形成されており該デバイスに対応する矩形状の領域外に位置する第1の所定ラインと、該第2デバイスウェーハの該表面側の外周部に形成されており該デバイスに対応する矩形状の領域外に位置する第2の所定ラインと、を撮像ユニットで撮像し、該第1の所定ライン及び該第2の所定ラインを利用して、該第1デバイスウェーハ及び該第2デバイスウェーハの相対的な位置を調整する位置調整ステップを含むことを特徴とする積層デバイスウェーハの形成方法。 - 該貼り合わせステップでは、該第1デバイスウェーハの該裏面側と、該第2デバイスウェーハの該表面側と、を貼り合わせることを特徴とする請求項1に記載の積層デバイスウェーハの形成方法。
- 該位置調整ステップでは、該第1の所定ラインと該第2の所定ラインとを、撮像ユニットで同時に撮像することを特徴とする請求項1又は2に記載の積層デバイスウェーハの形成方法。
- 該第1の所定ラインは、該第1デバイスウェーハの該表面に設定された第1の分割予定ラインであり、
該第2の所定ラインは、該第2デバイスウェーハの該表面に設定された第2の分割予定ラインであり、
該第1の分割予定ラインと、該第2の分割予定ラインとは、同じ形状及び大きさを有し、
該位置調整ステップでは、該第1の分割予定ラインと、該第2の分割予定ラインとを、位置合わせすることを特徴とする請求項1から3のいずれかに記載の積層デバイスウェーハの形成方法。 - 該位置調整ステップでは、該第1の所定ライン及び該第2の所定ラインに加えて、該第1の所定ラインと直交する位置関係にあり、該第1デバイスウェーハの該表面側の外周部に形成されており、該デバイスに対応する矩形状の領域外に位置する第3の所定ラインと、該第2の所定ラインと直交する位置関係にあり、該第2デバイスウェーハの該表面側の外周部に形成されており、該デバイスに対応する矩形状の領域外に位置する第4の所定ラインと、を用いて該第1デバイスウェーハ及び該第2デバイスウェーハの相対的な位置を調整することを特徴とする請求項1から4のいずれかに記載の積層デバイスウェーハの形成方法。
- 表面に複数の分割予定ラインが格子状に設定され該複数の分割予定ラインによって区画された複数の領域の各々にデバイスがそれぞれ形成されている第1デバイスウェーハ及び第2デバイスウェーハを貼り合わせて、複数のデバイスウェーハが積層された積層デバイスウェーハを形成する積層デバイスウェーハの形成方法であって、
該第1デバイスウェーハの外周部において、該第1デバイスウェーハの厚さ方向における所定の深さに、該第1デバイスウェーハを透過する波長を有するレーザービームの集光点を位置付けて、改質層を形成する改質層形成ステップと、
該改質層形成ステップの後、該第1デバイスウェーハの裏面側を研削して薄化すると共に、該第1デバイスウェーハの外周部を除去する薄化ステップと、
該薄化ステップの後、該第1デバイスウェーハと、該第2デバイスウェーハと、を貼り合わせる貼り合わせステップと、
を備え、
該貼り合わせステップは、該第1デバイスウェーハの該表面側の外周部に形成されており該デバイスに対応する矩形状の領域外に位置する第1の所定ラインと、該第2デバイスウェーハの該表面側の外周部に形成されており該デバイスに対応する矩形状の領域外に位置する第2の所定ラインと、を撮像ユニットで撮像し、該第1の所定ライン及び該第2の所定ラインを利用して、該第1デバイスウェーハ及び該第2デバイスウェーハの相対的な位置を調整する位置調整ステップを含むことを特徴とする積層デバイスウェーハの形成方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2021116854A JP7636118B2 (ja) | 2021-07-15 | 2021-07-15 | 積層デバイスウェーハの形成方法 |
TW111123665A TW202306102A (zh) | 2021-07-15 | 2022-06-24 | 積層器件晶圓之形成方法 |
CN202210778357.7A CN115700901A (zh) | 2021-07-15 | 2022-07-04 | 层叠器件晶片的形成方法 |
US17/811,196 US20230020620A1 (en) | 2021-07-15 | 2022-07-07 | Laminated device wafer forming method |
KR1020220083694A KR20230012417A (ko) | 2021-07-15 | 2022-07-07 | 적층 디바이스 웨이퍼의 형성 방법 |
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JP2021116854A JP7636118B2 (ja) | 2021-07-15 | 2021-07-15 | 積層デバイスウェーハの形成方法 |
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JP7636118B2 true JP7636118B2 (ja) | 2025-02-26 |
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JP (1) | JP7636118B2 (ja) |
KR (1) | KR20230012417A (ja) |
CN (1) | CN115700901A (ja) |
TW (1) | TW202306102A (ja) |
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Citations (8)
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- 2022-07-04 CN CN202210778357.7A patent/CN115700901A/zh active Pending
- 2022-07-07 KR KR1020220083694A patent/KR20230012417A/ko active Pending
- 2022-07-07 US US17/811,196 patent/US20230020620A1/en active Pending
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JP2008153499A (ja) | 2006-12-19 | 2008-07-03 | Sharp Corp | 半導体装置の製造方法 |
JP2014203917A (ja) | 2013-04-03 | 2014-10-27 | 株式会社ディスコ | 板状物 |
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JP2020136329A (ja) | 2019-02-14 | 2020-08-31 | 株式会社ニコン | 積層半導体装置を製造する製造方法、トリミングする領域の大きさを決定する決定方法、電極を形成する位置を決定する決定方法、積層半導体装置を製造する製造システム、トリミング装置、および積層装置 |
WO2020170597A1 (ja) | 2019-02-18 | 2020-08-27 | 東京エレクトロン株式会社 | 基板処理装置及び基板処理方法 |
CN112289694A (zh) | 2020-10-30 | 2021-01-29 | 长江存储科技有限责任公司 | 晶圆键合方法 |
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JP2023013004A (ja) | 2023-01-26 |
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