公开(公告)号：US11180407B2

公开(公告)日：2021-11-23

申请号：US15939631

申请日：2018-03-29

Applicant: AGC Inc.

Inventor： Yu Hanawa ,  Kazutaka Ono ,  Shigeki Sawamura

IPC: C03C3/087 ,  B32B17/06 ,  B32B7/06 ,  H01L21/683 ,  H01L21/78 ,  C03C3/091

Abstract: A glass substrate contains, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 58-75%, Al2O3: 4.5-16%, B2O3: 0-6%, MgO: 0-6%, CaO: 0-6%, SrO: 5-20%, BaO: 5-20%, and MgO+CaO+SrO+BaO: 15-40%. The glass substrate has an alkali metal oxide content of 0-0.1% as represented by mole percentage based on oxides. The glass substrate has an average coefficient of thermal expansion α of 56-90 (×10−7/° C.) at 50° C.-350° C.

公开(公告)号：US10882778B2

公开(公告)日：2021-01-05

申请号：US16018099

申请日：2018-06-26

Applicant: AGC Inc.

Inventor： Shigeki Sawamura ,  Kazutaka Ono ,  Yu Hanawa

IPC: C03C3/087 ,  H01L23/15 ,  C03C3/085 ,  H01L21/56 ,  C03C3/083 ,  B32B17/00 ,  H01L21/683 ,  H01L23/00

Abstract: A glass substrate includes, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 55%-75%, Al2O3: 2%-15%, MgO: 0%-10%, CaO: 0%-10%, SrO: 0%-10%, BaO: 0%-15%, ZrO2: 0%-5%, Na2O: 0%-20%, K2O: 5%-30%, and Li2O: 0%-5.0%. The glass substrate has a total content of alkali metal oxides, as represented by mole percentage based on oxides, of 10%-30%, a value obtained by dividing the total content of alkali metal oxides by the content of SiO2 of 0.50 or smaller, a value obtained by dividing the content of Na2O by a value obtained by subtracting the content of Al2O3 from a total content of Na2O and K2O of 0.90 or smaller, and an average coefficient of thermal expansion α1 at 50° C.-350° C. of 11 ppm/° C.-16 ppm/° C.

公开(公告)号：US12077036B2

公开(公告)日：2024-09-03

申请号：US18050669

申请日：2022-10-28

Applicant: AGC Inc.

Inventor： Takato Kajihara ,  Shigeki Sawamura ,  Shusaku Akiba ,  Yutaka Kuroiwa

IPC: B60J1/02 ,  B32B7/02 ,  B32B17/10 ,  B32B27/30 ,  B60J1/00 ,  C03C3/087 ,  C03C3/091 ,  C03C3/095 ,  C03C4/00

CPC classification number: B60J1/02 ,  B32B7/02 ,  B32B17/10036 ,  B32B17/10761 ,  B32B27/30 ,  B60J1/001 ,  C03C3/087 ,  C03C3/091 ,  C03C3/095 ,  C03C4/00 ,  B32B2250/40 ,  B32B2307/54 ,  B32B2307/558 ,  B32B2307/732 ,  B32B2605/006 ,  C03C2205/00

Abstract: The present invention pertains to a laminated glass for a vehicle, the laminated glass including a first glass sheet, a second glass sheet and an intermediate film sandwiched between the first glass sheet and the second glass sheet, in which: the total thickness of the first glass sheet, the second glass sheet and the intermediate film is 4.0 mm or more; the first glass sheet is formed of a borosilicate glass containing, in terms of oxide by molar percentage, 1.0% or more of B2O3; and when a radio wave (TM wave) with a frequency of 79[GHz] is made incident at an incident angle of 60° to the first glass sheet, the transmission property S21 is −4.0 [dB] or more.

公开(公告)号：US11715673B2

公开(公告)日：2023-08-01

申请号：US17367762

申请日：2021-07-06

Applicant: AGC Inc.

Inventor： Yu Hanawa ,  Shigeki Sawamura ,  Shuhei Nomura ,  Kazutaka Ono ,  Nobuhiko Takeshita ,  Keisuke Hanashima

IPC: B32B17/06 ,  H01L23/15 ,  C03C27/04 ,  C03C3/085 ,  C03C3/087 ,  C03C3/091 ,  C03C3/093 ,  B32B1/00 ,  B32B9/00 ,  C03C17/22 ,  H01L23/13

CPC classification number: H01L23/15 ,  B32B1/00 ,  B32B9/005 ,  B32B17/06 ,  C03C3/085 ,  C03C3/087 ,  C03C3/091 ,  C03C3/093 ,  C03C17/22 ,  C03C27/04 ,  H01L23/13 ,  B32B2307/30 ,  B32B2457/14

Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 μm to 300 μm, and an inclination angle due to the warpage of 0.0004° to 0.12°.

公开(公告)号：US20240336514A1

公开(公告)日：2024-10-10

申请号：US18743904

申请日：2024-06-14

Applicant: AGC Inc.

Inventor： Shigeki Sawamura ,  Naoki Kanno

IPC: C03C3/19 ,  C03C3/066 ,  C03C3/068 ,  C03C3/21 ,  C03C4/00 ,  G02B1/00

CPC classification number: C03C3/19 ,  C03C3/066 ,  C03C3/068 ,  C03C3/21 ,  C03C4/0092 ,  G02B1/00 ,  C03C2204/00

Abstract: Provided is glass having a high refractive index and a high transmittance and capable of being appropriately molded. Glass (10) contains, in weight percentage on an oxide basis: Bi2O3: 5.0% to 80.0%; B2O3: 1.0% to 15.0%; TiO2: 0% to 7.0%; Nb2O5: 0% to 17.0%; and TeO2: 0% to 30.0%, in which a content of (Li2O+Na2O+K2O) is 0% to 5.0%.

公开(公告)号：US11753330B2

公开(公告)日：2023-09-12

申请号：US17480440

申请日：2021-09-21

Applicant: AGC INC.

Inventor： Yu Hanawa ,  Kazutaka Ono ,  Shigeki Sawamura

IPC: C03C3/087 ,  B32B17/06 ,  B32B7/06 ,  H01L21/683 ,  H01L21/78 ,  C03C3/091

CPC classification number: C03C3/087 ,  B32B7/06 ,  B32B17/06 ,  H01L21/6835 ,  H01L21/7813 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2457/14 ,  C03C3/091 ,  H01L2221/68318

Abstract: A glass substrate contains, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 58-75%, Al2O3: 4.5-16%, B2O3: 0-6%, MgO: 0-6%, CaO: 0-6%, SrO: 5-20%, BaO: 5-20%, and MgO+CaO+SrO+BaO:15-40%. The glass substrate has an alkali metal oxide content of 0-0.1% as represented by mole percentage based on oxides. The glass substrate has an average coefficient of thermal expansion α of 56-90 (×10−7/° C.) at 50° C.-350° C.

公开(公告)号：US11114356B2

公开(公告)日：2021-09-07

申请号：US16555702

申请日：2019-08-29

Applicant: AGC Inc.

Inventor： Yu Hanawa ,  Shigeki Sawamura ,  Shuhei Nomura ,  Kazutaka Ono ,  Nobuhiko Takeshita ,  Keisuke Hanashima

IPC: B32B15/04 ,  H01L23/15 ,  C03C27/04 ,  C03C3/085 ,  C03C3/087 ,  C03C3/091 ,  C03C3/093 ,  C03C17/22 ,  H01L23/13

Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 μm to 300 μm, and an inclination angle due to the warpage of 0.0004° to 0.12°.

公开(公告)号：US10994517B2

公开(公告)日：2021-05-04

申请号：US16355613

申请日：2019-03-15

Applicant: AGC INC.

Inventor： Shigeki Sawamura ,  Kazutaka Ono

IPC: B32B15/04 ,  B32B17/06 ,  B32B17/10 ,  C03C3/087 ,  C03C3/091 ,  H01L23/15 ,  C03B19/00

Abstract: A first aspect of the present invention relates to a glass substrate having a content of alkali metal oxides, as represented by molar percentage based on oxides, of 0 to 0.1%, a devitrification-temperature viscosity of 103.2 dPa·s or higher, and an average coefficient of thermal expansion α at 30 to 220° C. of 7.80 to 9.00 (ppm/° C.). A second aspect of the present invention relates to a glass substrate which is to be used for a support substrate for semiconductor packages, the glass substrate having a content of alkali metal oxides, as represented by molar percentage based on oxides, of 0 to 0.1% and a photoelastic constant of 10 to 26 nm/cm/MPa.

公开(公告)号：US10515864B2

公开(公告)日：2019-12-24

申请号：US15822859

申请日：2017-11-27

Applicant: AGC Inc.

Inventor： Yu Hanawa ,  Shigeki Sawamura ,  Shuhei Nomura ,  Kazutaka Ono ,  Nobuhiko Takeshita ,  Keisuke Hanashima

IPC: B32B15/04 ,  B32B17/06 ,  H01L23/15 ,  C03C17/22 ,  H01L23/13

Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 μm to 300 μm, and an inclination angle due to the warpage of 0.0004° to 0.12°.

公开(公告)号：US20190385920A1

公开(公告)日：2019-12-19

申请号：US16555702

申请日：2019-08-29

Applicant: AGC, Inc.

Inventor： Yu Hanawa ,  Shigeki Sawamura ,  Shuhei Nomura ,  Kazutaka Ono ,  Nobuhiko Takeshita ,  Keisuke Hanashima

IPC: H01L23/15 ,  C03C17/22 ,  H01L23/13

Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 μm to 300 μm, and an inclination angle due to the warpage of 0.0004° to 0.12°.