公开(公告)号：US20230202908A1

公开(公告)日：2023-06-29

申请号：US18173173

申请日：2023-02-23

Applicant: AGC Inc.

Inventor： Naoya WADA ,  Satoru TOMENO ,  Misa INAMOTO

IPC: C03C3/247 ,  C01B25/455 ,  C08K3/40 ,  B32B17/10 ,  B32B27/36

CPC classification number: C03C3/247 ,  C01B25/455 ,  C08K3/40 ,  B32B17/10 ,  B32B27/36 ,  C01P2002/02 ,  B32B2250/40 ,  B32B2315/08 ,  B32B2367/00

Abstract: The invention relates to a glass including, as represented by mol % based on elements: 8-25% of P; 8-40% of Sn; 20-80% of O; and 1-50% of F, in which the glass has a glass transition temperature Tg of 300° C. or lower, and the glass gives an infrared absorption spectrum satisfying A3240/A3100 of 0.6-1.2, where the A3100 is an absorbance per 1-mm thickness at a wavenumber of 3,100 cm−1 and the A3240 is an absorbance per 1-mm thickness at a wavenumber of 3,240 cm−1.

公开(公告)号：US20210003780A1

公开(公告)日：2021-01-07

申请号：US17026497

申请日：2020-09-21

Applicant: AGC Inc.

Inventor： Seiki OHARA ,  Shotaro TAKENOBU ,  Naoya WADA

IPC: G02B6/26

Abstract: The present invention relates to a polymer optical waveguide including: a core; an under-cladding; and an over-cladding, in which the polymer optical waveguide includes a coupling section and an optical waveguide section that are provided along a light propagation direction, the polymer optical waveguide includes portions having different core widths along the light propagation direction, and when a core width at a portion a having a narrowest core width is denoted Wa (μm) and a core height at the portion a is denoted Ha (μm), Ha is 1.3 μm or more and 4.5 μm or less, and Ha/Wa is 1.15 or less.

公开(公告)号：US20220057574A1

公开(公告)日：2022-02-24

申请号：US17453906

申请日：2021-11-08

Applicant: AGC Inc.

Inventor： Naoya WADA ,  Shotaro TAKENOBU ,  Kenta KOBAYASHI ,  Seiki OHARA

IPC: G02B6/122 ,  G02B6/02

Abstract: The present invention provides a polymer optical waveguide having a core, an under cladding and an over cladding, in which: the polymer optical waveguide has a first section on one end side in the light propagation direction where no portion of the over cladding exists and the core and the under cladding are exposed, and a second section on the other end side in the light propagation direction where the core is covered with the under cladding and the over cladding; and a relative refractive index difference among the core, the under cladding and the over cladding, a core width and core height in an end surface at the one end side of the first section, and a core width and core height in an end surface at the other end side of the second section satisfy predetermined relationships.

公开(公告)号：US20210391646A1

公开(公告)日：2021-12-16

申请号：US17343920

申请日：2021-06-10

Applicant: AGC INC.

Inventor： Naoya WADA ,  Masao OZEKI

IPC: H01Q1/40 ,  H01Q3/44 ,  H01Q1/00 ,  H01Q1/38

Abstract: The present invention relates to a protective member having a plate shape, including: a first base material that is a chemically strengthened glass, and a second base material provided in a hole recessed or penetrating in a thickness direction of the first base material and formed of a material different from a material forming the first base material, in which with respect to values of relative permittivity and dielectric loss tangent at a frequency of 10 GHz of the first base material and the second base material, the value of at least either one of the relative permittivity and the dielectric loss tangent of the second base material is smaller than the value of the relative permittivity or the dielectric loss tangent of the first base material.

公开(公告)号：US20240417307A1

公开(公告)日：2024-12-19

申请号：US18818733

申请日：2024-08-29

Applicant: AGC Inc.

Inventor： Naoya WADA ,  Hiroyuki YAMAMOTO ,  Jun MINAMIDATE

IPC: C03C3/066 ,  B32B17/10 ,  C03C4/08 ,  C08K3/40

Abstract: A glass includes, as represented by mol % of element: 12% to 16% of P; 16% to 21% of Sn; 50% to 60% of O; 5% to 15% of F; 0% to 3% of Zn; 0% to 1% of Si; 0% to 1% of B; and 0% to 3% of Al, and (Sn+Zn)/P is 1.25 to 1.55. A glass transition temperature Tg is 80° C. to 200° C. When an absorbance per 1 mm thickness at a wave number of 3100 cm−1 is defined as A3100 and an absorbance per 1 mm thickness at a wave number of 3240 cm−1 is defined as A3240 in an infrared absorption spectrum, A3240/A3100 is 0.6 to 1.2.

公开(公告)号：US20230223493A1

公开(公告)日：2023-07-13

申请号：US18182688

申请日：2023-03-13

Applicant: AGC Inc.

Inventor： Hirofumi TOKUNAGA ,  Kazutaka ONO ,  Takefumi ABE ,  Naoya WADA

IPC: H01L33/20 ,  H01L25/075

CPC classification number: H01L33/20 ,  H01L25/0753

Abstract: The present invention relates to an LED element substrate on which an LED element is to be provided and which includes a glass, in which at least one main surface of the substrate is black, and one or more LED elements are to be provided on the black main surface, and relates to an LED element substrate on which an LED element is to be provided and which includes a glass, in which at least one main surface of the substrate is black, the substrate comprises a plurality of holes, and one or more LED elements are to be provided on an inside of each of the holes.