JP2020088283A - 試験用ウエハおよびその製造方法 - Google Patents
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 89
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 89
- 239000010703 silicon Substances 0.000 claims abstract description 89
- 230000020169 heat generation Effects 0.000 claims abstract description 24
- 238000007689 inspection Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 77
- 239000004065 semiconductor Substances 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
ウエハ上のデバイスを検査する検査装置において、実際のデバイスの実際の発熱状況を模試することが求められている。また、実デバイスが実際の動作時にどのような発熱状況になるかを把握することも必要である。
以下、試験用ウエハの実施形態について説明する。
図1は、一実施形態に係る試験用ウエハを示す断面図である。
試験用ウエハ1は、実際のウエハの発熱状況を模試するものであり、ベースとなる例えば300mmのシリコンウエハ2と、シリコンウエハ2の表面に接合されたシリコンヒータ3とを有する。シリコンウエハ2の表面のシリコンヒータ3の近傍には、ダイオードからなる温度モニタ素子4が接合されている。ただし、温度モニタ素子4は必須ではない。
次に、具体例について説明する。
高ドーピングシリコンウエハ(リンドープシリコンウエハ)を、所定の形状に加工した後、電極を形成し、厚さ0.2mmで抵抗を管理したシリコンヒータ3を作成した(抵抗値:約8Ω、最大10A、50Vを想定)。このようなシリコンヒータ3を300mmシリコンウエハ2に接合し、試験用ウエハ1を作製した。また、300mmシリコンウエハ2上に電極6を形成し、その上に温度モニタ素子4として市販のダイオードをボンディングした。
シリコンヒータ3の条件としては、電圧50V、最大電力600Wとした。まず、300Wで抵抗値を算出した。
W=V2/R R=V2/W=2500/300=8.33Ω
ρ=R×S/l=8.33×2×0.02/2=0.167Ω・cm
以上、実施形態について説明したが、今回開示された実施形態は、全ての点で例示であって制限的なものではないと考えられるべきである。上記の実施形態は、添付の特許請求の範囲およびその主旨を逸脱することなく、様々な形態で省略、置換、変更されてもよい。
2;シリコンウエハ
3;シリコンヒータ
4;温度モニタ素子
5;電極
Claims (7)
- ウエハ上のデバイスの発熱を模試する試験用ウエハであって、
シリコンウエハと、
前記シリコンウエハの表面に接合されたシリコンヒータと、
を有する、試験用ウエハ。 - ウエハの検査を行う検査装置のステージに載置され、前記ステージの吸熱特性を検証する治具用ウエハとして用いる、請求項1に記載の試験用ウエハ。
- 前記シリコンウエハの表面に接合された温度モニタ素子をさらに有する、請求項1または請求項2に記載の試験用ウエハ。
- 前記シリコンヒータは、不純物がドーピングされることにより比抵抗が制御されたものである、請求項1から請求項3のいずれか1項に記載の試験用ウエハ。
- 前記シリコンヒータの厚さは0.1〜0.5mmの範囲である、請求項1から請求項4のいずれか1項に記載の試験用ウエハ。
- 前記シリコンヒータは、給電用の電極が形成されており、表面に絶縁用の熱酸化膜が形成されている、請求項1から請求項5のいずれか1項に記載の試験用ウエハ。
- 請求項1から請求項6のいずれか1項に記載の試験用ウエハの製造方法であって、
シリコンウエハおよびシリコンヒータの互いの接合面をプラズマ処理してダングリングボンドを形成し、接合面に水酸基を生成させる工程と、
前記シリコンウエハおよび前記シリコンヒータを貼り合わせて、OH基を介して水素結合させる工程と、
前記シリコンウエハおよび前記シリコンヒータを加熱し、脱水反応を生じさせ、共有結合により前記シリコンウエハおよび前記シリコンヒータを接合する工程と、
を有する試験用ウエハの製造方法。
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JP2018223959A JP7094211B2 (ja) | 2018-11-29 | 2018-11-29 | 試験用ウエハおよびその製造方法 |
KR1020190147304A KR102403093B1 (ko) | 2018-11-29 | 2019-11-18 | 시험용 웨이퍼 및 그의 제조 방법 |
TW108142079A TWI820255B (zh) | 2018-11-29 | 2019-11-20 | 試驗用晶圓及其製造方法 |
CN201911185027.1A CN111243973B (zh) | 2018-11-29 | 2019-11-27 | 试验用晶圆及其制造方法 |
US16/698,379 US11668665B2 (en) | 2018-11-29 | 2019-11-27 | Silicon heater bonded to a test wafer |
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CN115394673A (zh) * | 2022-08-24 | 2022-11-25 | 南京中电芯谷高频器件产业技术研究院有限公司 | 一种适用于3ω电学法的大尺寸晶圆级衬底热测试变温环境控制装置 |
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