JP6993617B2 - 絶縁部材及びその製造方法 - Google Patents
絶縁部材及びその製造方法 Download PDFInfo
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- JP6993617B2 JP6993617B2 JP2018513103A JP2018513103A JP6993617B2 JP 6993617 B2 JP6993617 B2 JP 6993617B2 JP 2018513103 A JP2018513103 A JP 2018513103A JP 2018513103 A JP2018513103 A JP 2018513103A JP 6993617 B2 JP6993617 B2 JP 6993617B2
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- Japan
- Prior art keywords
- less
- insulating member
- glass
- compressive stress
- ion exchange
- 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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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Surface Treatment Of Glass (AREA)
- Inorganic Insulating Materials (AREA)
- Insulating Bodies (AREA)
Description
CT = CS×DOL/(t×1000-2×DOL)
CT:内部の引っ張り応力値(MPa)
t:絶縁部材の厚み(mm)
CS:圧縮応力値(MPa)
DOL:圧縮応力層の深さ(μm)
Claims (5)
- ガラス組成として、質量%で、SiO 2 40~75%、Al 2 O 3 10~30%、Na 2 O 5~25%を含有するアルカリ含有ガラスからなる絶縁部材であって、
断面外形が略真円になる球形状を有し、密度が2.60g/cm3以下であり、イオン交換による表面圧縮応力層を有し、且つ駆動装置に組み込まれることを特徴とする絶縁部材。 - 150℃における体積電気抵抗率が105.0Ω・cm以上であることを特徴とする請求項1に記載の絶縁部材。
- 略真円の断面外形上の表面圧縮応力層の圧縮応力値が300MPa以上、且つ応力深さが25μm以上であることを特徴とする請求項1又は2に記載の絶縁部材。
- アルカリ含有ガラスが、ガラス組成として、質量%で、SiO2 40~75%、Al2O3 18~30%、Na2O 5~25%を含有することを特徴とする請求項1~3の何れかに記載の絶縁部材。
- ガラス組成として、質量%で、SiO 2 40~75%、Al 2 O 3 10~30%、Na 2 O 5~25%を含有し、アルカリ含有ガラスからなる絶縁部材の製造方法であって、
断面外形が略真円になる球形状を有し、密度が2.60g/cm3以下となるアルカリ含有ガラスを作製した後に、該アルカリ含有ガラスをイオン交換処理して、表面圧縮応力層を形成し、駆動装置に組み込まれることを特徴とする絶縁部材の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016085029 | 2016-04-21 | ||
JP2016085029 | 2016-04-21 | ||
PCT/JP2017/014189 WO2017183454A1 (ja) | 2016-04-21 | 2017-04-05 | 絶縁部材及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017183454A1 JPWO2017183454A1 (ja) | 2019-02-28 |
JP6993617B2 true JP6993617B2 (ja) | 2022-01-13 |
Family
ID=60115847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018513103A Active JP6993617B2 (ja) | 2016-04-21 | 2017-04-05 | 絶縁部材及びその製造方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6993617B2 (ja) |
WO (1) | WO2017183454A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7106057B2 (ja) * | 2018-01-31 | 2022-07-26 | 日本電気硝子株式会社 | 球状ガラス、ガラス転動体及びガラス転動体の製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011510903A (ja) | 2008-02-08 | 2011-04-07 | コーニング インコーポレイテッド | 損傷耐性の化学強化された保護カバーガラス |
JP2011529438A (ja) | 2008-07-29 | 2011-12-08 | コーニング インコーポレイテッド | ガラスの化学強化のための二段階イオン交換 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60122734A (ja) * | 1983-12-08 | 1985-07-01 | Toshiba Glass Co Ltd | 強化ガラスビ−ズ |
JPH01157436A (ja) * | 1987-12-15 | 1989-06-20 | Canon Inc | 屈折率分布型光学素子の製造方法 |
JPH10284217A (ja) * | 1997-04-01 | 1998-10-23 | Ricoh Co Ltd | 面発熱ローラ |
JP4243781B2 (ja) * | 1998-04-03 | 2009-03-25 | 昌 松井 | 高速回転機器用の転がり軸受装置 |
-
2017
- 2017-04-05 WO PCT/JP2017/014189 patent/WO2017183454A1/ja active Application Filing
- 2017-04-05 JP JP2018513103A patent/JP6993617B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011510903A (ja) | 2008-02-08 | 2011-04-07 | コーニング インコーポレイテッド | 損傷耐性の化学強化された保護カバーガラス |
JP2011529438A (ja) | 2008-07-29 | 2011-12-08 | コーニング インコーポレイテッド | ガラスの化学強化のための二段階イオン交換 |
Non-Patent Citations (1)
Title |
---|
Narottam P. Bansal, R. H. Doremus,Handbook of Glass Properties,1986年,32頁-37頁 |
Also Published As
Publication number | Publication date |
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WO2017183454A1 (ja) | 2017-10-26 |
JPWO2017183454A1 (ja) | 2019-02-28 |
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