JP6992847B2 - ガラス基板、積層基板、および積層体 - Google Patents
ガラス基板、積層基板、および積層体 Download PDFInfo
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- B32B17/10798—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing silicone
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- 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
- H01L21/7806—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 involving the separation of the active layers from a substrate
- H01L21/7813—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 involving the separation of the active layers from a substrate leaving a reusable substrate, e.g. epitaxial lift off
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- H01L23/14—Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
- H01L23/15—Ceramic or glass substrates
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- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
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- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
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Description
SiO2 :58~75%、
Al2O3 :4.5~16%、
B2O3 :0~6%、
MgO :0~6%、
CaO :0~6%、
SrO :5~20%、
BaO :5~20%、
MgO+CaO+SrO+BaO :15~40%
を含み、
アルカリ金属酸化物の含有量が酸化物基準のモル百分率表示で0~0.1%であり、
50℃~350℃での平均熱膨張係数αが56~90(×10-7/℃)である。
SiO2 :58~75%、
Al2O3 :4.5~16%、
B2O3 :0~6%、
MgO :0~6%、
CaO :0~6%、
SrO :5~20%、
BaO :5~20%、
MgO+CaO+SrO+BaO :15~40%
を含むことを特徴とする。
式(1)は、ガラス組成と50℃~350℃での平均熱膨張係数の関係を表す回帰式である。この回帰式は、SiO2の含有量、Al2O3の含有量、B2O3の含有量、MgOの含有量、CaOの含有量、SrOの含有量、BaOの含有量がそれぞれ異なる約100個のガラスの50℃~350℃での平均熱膨張係数を測定することにより得た。式(1)の値が56~90であれば、50℃~350℃での平均熱膨張係数を56~90(×10-7/℃)の範囲にしやすい。
上記式において、T3500cm-1は、波数(wave number)3500cm-1の光の透過率(%)であり、T4000cm-1は、波数4000cm-1の光の透過率(%)であり、tは、ガラス基板の厚さ(mm)である。
JIS R3102(1995年)に規定されている方法に従い、示差熱膨張計(TMA)を用いて測定した。測定温度範囲は50~350℃で、単位を10-7/℃として表した。
泡を含まない約20gのガラス塊をアルキメデス法によって測定した。
厚さ0.5~10mmのガラスについて、超音波パルス法により測定した。
JIS R3103-2(2001年)に規定されている方法に従い測定した。
(ガラス転移点Tg)
JIS R3103-3(2001年)に規定されている方法に従い、TMAを用いて測定した。
回転粘度計を用いて粘度を測定し、104dPa・sとなるときの温度T4(℃)を測定した。
回転粘度計を用いて粘度を測定し、102dPa・sとなるときの温度T2(℃)を測定した。
失透温度は、白金製皿に粉砕されたガラス粒子を入れ、一定温度に制御された電気炉中で17時間熱処理を行い、熱処理後の光学顕微鏡観察によって、ガラス表面および内部に結晶が析出しない温度の最大値である。
得られたガラスを40mm×40mm×1mmとなるようにダイヤモンド砥石、酸化セリウム砥石、および酸化セリウム砥粒を用いて鏡面加工した。HClに対する耐久性を調べるために、鏡面加工したガラスを直交する2辺を支持するようフッ素樹脂製の治具の上に設置し、蓋付きのフッ素樹脂製容器に入れた温度90℃、濃度0.1規定の330mlのHCl溶液に20時間浸漬させた。ガラスを取り出し、イオン交換水で表面を洗い流し、イオン交換水中で10分間超音波洗浄を行い、治具の上で自然乾燥させた。その後、外観観察を行い、重量を測定し、浸漬前後での単位面積当たりの重量減少量(単位:mg/cm2)を測定した。さらに、JIS K7136(2000年)に規定されている方法に従い、ヘーズメータ(スガ試験機社製タッチパネル式ヘーズコンピュータ、型番:HZ-2)を用いて、浸漬後のガラスのヘーズ率(単位:%)を測定した。
〔評価指標〕
◎:ガラス板全体が透明
○:ガラス板の透明である部分が全体の90%以上
△:ガラス板の透明である部分が全体の90%未満またはガラス板表面の一部が変質している
×:ガラス板全体が白濁している
20、50 剥離層
30、70 積層基板
60 樹脂
G1、G2 ガラス基板
Claims (17)
- 母組成として、酸化物基準のモル百分率表示で、
SiO2:58~75%、
Al2O3:4.5~7%、
B2O3:0~6%、
MgO:0~6%、
CaO:0~6%、
SrO:5~20%、
BaO:9~20%、
MgO+CaO+SrO+BaO:15~40%を含み、
アルカリ金属酸化物の含有量が酸化物基準のモル百分率表示で0~0.1%であり、
50℃~350℃での平均熱膨張係数αが56~90(×10-7/℃)であり、
ガラス転移点(Tg)が680℃以上であり、
ファンアウト型のウェハレベルパッケージ用のガラス基板である、ガラス基板。 - 酸化物基準のモル百分率表示で各酸化物の含有量の割合の関係を表した下記式(1)によって求められる値が56~90となる請求項1に記載のガラス基板。
0.174×(SiO2の含有量)-0.012×(Al2O3の含有量)+0.317×(B2O3の含有量)+0.988×(MgOの含有量)+1.715×(CaOの含有量)+2.011×(SrOの含有量)+2.251×(BaOの含有量)+0.076 (1) - 酸化物基準のモル百分率表示で、SiO2およびAl2O3の合計含有量が65%以上である請求項1または2に記載のガラス基板。
- 温度90℃、濃度0.1規定のHCl溶液に20時間浸漬後の単位面積当たりの重量減少量が0.3mg/cm2以下である請求項1~3のいずれか一項に記載のガラス基板。
- 温度25℃、濃度5%のHF溶液に20分浸漬後の単位面積当たりの重量減少量が13mg/cm2以下である請求項1~4のいずれか一項に記載のガラス基板。
- 温度90℃、濃度0.1規定のHCl溶液に20時間浸漬後の厚さ1mmでのヘーズ率が50%以下である請求項1~5のいずれか一項に記載のガラス基板。
- 温度25℃、濃度5%のHF溶液に20分浸漬後のヘーズ率が50%以下である請求項1~6のいずれか一項に記載のガラス基板。
- 失透温度が1250℃以下である請求項1~7のいずれか一項に記載のガラス基板。
- 酸化物基準の質量百万分率表示で、Fe2O3の含有量が200ppm以下である請求項1~8のいずれか一項に記載のガラス基板。
- ヤング率が65GPa以上である請求項1~9のいずれか一項に記載のガラス基板。
- 厚さが2.0mm以下である請求項1~10のいずれか一項に記載のガラス基板。
- 面積が70~2500cm2である請求項1~11のいずれか一項に記載のガラス基板。
- 前記ガラス基板の形状が円形である請求項1~12のいずれか一項に記載のガラス基板
。 - 前記ガラス基板のβ-OHが0.05~0.65mm-1である請求項1~13のいずれか一項に記載のガラス基板。
- 前記ガラス基板の少なくとも一の主表面に遮光膜を有する請求項1~14のいずれか一項に記載のガラス基板。
- 請求項1~15のいずれか一項に記載のガラス基板と、シリコン基板とが積層されて形成される積層基板。
- 請求項16に記載の積層基板を構成するガラス基板に他のガラス基板を貼り合わせることにより形成される積層体。
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| KR (3) | KR20250026386A (ja) |
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| CN108473362B (zh) * | 2015-12-28 | 2022-10-04 | Agc株式会社 | 玻璃基板、层叠基板、层叠体以及半导体封装的制造方法 |
| CN109715572B (zh) * | 2016-09-16 | 2022-06-14 | Agc株式会社 | 玻璃基板及层叠基板 |
| JP2019080457A (ja) * | 2017-10-26 | 2019-05-23 | 日本発條株式会社 | 非接触給電装置 |
| US10829412B2 (en) | 2018-07-13 | 2020-11-10 | Corning Incorporated | Carriers for microelectronics fabrication |
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| CN117865460A (zh) | 2024-04-12 |
| US11180407B2 (en) | 2021-11-23 |
| TWI725056B (zh) | 2021-04-21 |
| US11753330B2 (en) | 2023-09-12 |
| KR102769729B1 (ko) | 2025-02-20 |
| JPWO2017057446A1 (ja) | 2018-07-19 |
| US20220002183A1 (en) | 2022-01-06 |
| US20180222787A1 (en) | 2018-08-09 |
| KR20240023683A (ko) | 2024-02-22 |
| KR20180061203A (ko) | 2018-06-07 |
| CN117865461A (zh) | 2024-04-12 |
| JP2020176053A (ja) | 2020-10-29 |
| KR20250026386A (ko) | 2025-02-25 |
| WO2017057446A1 (ja) | 2017-04-06 |
| JP6729596B2 (ja) | 2020-07-22 |
| CN108137379A (zh) | 2018-06-08 |
| JP7298075B2 (ja) | 2023-06-27 |
| JP2022027842A (ja) | 2022-02-14 |
| KR102636900B1 (ko) | 2024-02-16 |
| TW201730123A (zh) | 2017-09-01 |
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