JP7143019B2 - ウェーハの加工方法 - Google Patents
ウェーハの加工方法 Download PDFInfo
- Publication number
- JP7143019B2 JP7143019B2 JP2018108955A JP2018108955A JP7143019B2 JP 7143019 B2 JP7143019 B2 JP 7143019B2 JP 2018108955 A JP2018108955 A JP 2018108955A JP 2018108955 A JP2018108955 A JP 2018108955A JP 7143019 B2 JP7143019 B2 JP 7143019B2
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- JP
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- Prior art keywords
- wafer
- polyester
- sheet
- frame
- cutting
- 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.)
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- 238000003672 processing method Methods 0.000 title claims description 12
- 229920000728 polyester Polymers 0.000 claims description 133
- 238000005520 cutting process Methods 0.000 claims description 97
- 238000000034 method Methods 0.000 claims description 38
- 230000010354 integration Effects 0.000 claims description 28
- -1 polyethylene terephthalate Polymers 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims description 7
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 description 16
- 239000010410 layer Substances 0.000 description 15
- 239000003292 glue Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 12
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 6
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- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 3
- 229910002601 GaN Inorganic materials 0.000 description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01014—Silicon [Si]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/1026—Compound semiconductors
- H01L2924/1032—III-V
- H01L2924/10329—Gallium arsenide [GaAs]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/1026—Compound semiconductors
- H01L2924/1032—III-V
- H01L2924/1033—Gallium nitride [GaN]
Landscapes
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Dicing (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Cleaning Or Drying Semiconductors (AREA)
Description
1a 表面
1b 裏面
3 分割予定ライン
3a 切削痕
5 デバイス
7 フレーム
7a 開口
9 ポリエステル系シート
9a 切断痕
11 フレームユニット
2 チャックテーブル
2a 保持面
2b,40a 吸引源
2c,40b 切り替え部
4 ヒートガン
4a 熱風
6 ヒートローラー
8 赤外線ランプ
8a 赤外線
10 カッター
12 切削装置
14 切削ユニット
16 スピンドルハウジング
18 切削ブレード
20 切削水供給ノズル
22 ピックアップ装置
24 ドラム
26 フレーム保持ユニット
28 クランプ
30 フレーム支持台
32 ロッド
34 エアシリンダ
36 ベース
38 突き上げ機構
38a エアー
40 コレット
Claims (9)
- 複数のデバイスが、分割予定ラインによって区画された表面の各領域に形成されたウェーハを個々のデバイスチップに分割するウェーハの加工方法であって、
ウェーハを収容する開口を有するフレームの該開口内にウェーハを位置付け、該ウェーハの裏面と該フレームの外周とに糊層を備えないポリエステル系シートを配設するポリエステル系シート配設工程と、
該ポリエステル系シートを加熱し熱圧着により該ウェーハと該フレームとを該ポリエステル系シートを介して一体化する一体化工程と、
切削ブレードを回転可能に備えた切削装置を用いて該ウェーハを分割予定ラインに沿って切削して該ウェーハを個々のデバイスチップに分割する分割工程と、
該ポリエステル系シート側からエアーを吹き付けることにより個々にデバイスチップを突き上げ、該ポリエステル系シートから個々の該デバイスチップをピックアップするピックアップ工程と、
を備えることを特徴とするウェーハの加工方法。 - 該一体化工程において、赤外線の照射によって該熱圧着を実施することを特徴とする請求項1記載のウェーハの加工方法。
- 該一体化工程において、一体化を実施した後、該フレームの外周からはみ出したポリエステル系シートを除去することを特徴とする請求項1記載のウェーハの加工方法。
- 該ピックアップ工程では、該ポリエステル系シートを拡張して各デバイスチップ間の間隔を広げることを特徴とする請求項1記載のウェーハの加工方法。
- 該ポリエステル系シートは、ポリエチレンテレフタレートシート、ポリエチレンナフタレートシートのいずれかであることを特徴とする請求項1記載のウェーハの加工方法。
- 該一体化工程において、該ポリエステル系シートが該ポリエチレンテレフタレートシートである場合に加熱温度は250℃~270℃であり、該ポリエステル系シートが該ポリエチレンナフタレートシートである場合に加熱温度は160℃~180℃であることを特徴とする請求項5記載のウェーハの加工方法。
- 該ウェーハは、Si、GaN、GaAs、ガラスのいずれかで構成されることを特徴とする請求項1記載のウェーハの加工方法。
- 該一体化工程において、該ポリエステル系シートに熱風を当てて該ポリエステル系シートを加熱して該熱圧着を実施することを特徴とする請求項1記載のウェーハの加工方法。
- 該一体化工程において、該ポリエステル系シートをローラーで押圧して該熱圧着を実施することを特徴とする請求項1記載のウェーハの加工方法。
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JP2018108955A JP7143019B2 (ja) | 2018-06-06 | 2018-06-06 | ウェーハの加工方法 |
MYPI2019002834A MY191394A (en) | 2018-06-06 | 2019-05-17 | Wafer processing method |
US16/419,139 US11018043B2 (en) | 2018-06-06 | 2019-05-22 | Wafer processing method using a ring frame and a polyester sheet |
SG10201904710UA SG10201904710UA (en) | 2018-06-06 | 2019-05-24 | Wafer processing method |
KR1020190065794A KR20190139143A (ko) | 2018-06-06 | 2019-06-04 | 웨이퍼의 가공 방법 |
CN201910479952.9A CN110571133B (zh) | 2018-06-06 | 2019-06-04 | 晶片的加工方法 |
TW108119433A TWI815900B (zh) | 2018-06-06 | 2019-06-05 | 晶圓的加工方法 |
DE102019208259.9A DE102019208259A1 (de) | 2018-06-06 | 2019-06-06 | Waferbearbeitungsverfahren |
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DE102019208259A1 (de) | 2019-12-12 |
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