Asahi Glass Company, Limited

Piolax, Inc.

Naoki Sugimoto

Setsuro Ito

Syuji Matsumoto

Jun Sasai

Tomoyuki Kobayashi

Kenji Imakita

Akira Takada

Tatsuo Nagashima

Seiki Ohara

Hideaki Hayashi

Yuki Kondo

Hiroyuki Ohkawa

Kenji Oda

Koji Miura

Setsuhisa Tanabe

Osamu Yanagisawa

Yoshio Takegawa

Hideyo Osada

Haruo Aizawa

Tomoharu Hasegawa

Shinya Kikugawa

Nobuhiro Nakamura

Tsuneo Manabe

Jiro Chiba

Motoshi Ono

Hiroshi Usui

Yutaka Kuroiwa

Minoru Sekine

Ryuichi Tanabe

Satoshi Fujimine

Yasuji Fukasawa

Mitsuhiro Kawata

Hiromasa Akaho

Takeshi Shimazaki

Takeshi Hirose

Katsuhiro Ochiai

Manuel Reyes

Arao Nakamura

A fastener to be inserted into a holding hole of a mounted member and a mounting hole of a mount member, includes a head portion disposed on the mounting hole. A leg portion extends from the head portion to be inserted into the holding hole and the mounting hole. An engaging portion is provided on the leg portion to be brought into engagement with the mounting hole. An elastic projecting portion projects outwards of the leg portion. The elastic projecting portion is disposed away from the holding hole. The elastic projecting portion is brought into abutment with an inner circumference of the mounting hole to thereby be bent, and a largest outside diameter of a portion of the elastic projecting portion which is positioned on the rear side of the mounting hole is set to be equal to or smaller than a bore diameter of the mounting hole.

Fastener

Fastener for vehicular parts

A light emitting diode element having a light emitting diode; and a glass covering sealing the light emitting diode is provided. The glass of the covering consists essentially of from 30 to 70 mol% of SnO, from 15 to 50 mol% of PO, from 0.1 to 20 mol% of ZnO, from 0 to 10 mol% of SiO+GeO, from 0 to 30% of LiO+NaO+KO, and from 0 to 20% of MgO+CaO+SrO+BaO. In an embodiment, a refractive index of the glass of the covering is at least 1.6 at a wavelength of 400nm.

Light emitting diode element

The present invention has an object to provide an optical glass which has middle refractive index and low dispersibility, a low yield point (T) and a liquidus temperature (L.T.) and excellent weather resistance, and is suitable for mold press molding. The present invention relates to an optical glass comprising, in mass % on oxide basis, SiO: 20 to 40%, BO: 10 to 30%, SrO: 10 to 30%, AlO: 5.5 to 15%, LaO: 0.5 to 11%, LiO: 3 to 12%, CaO: 0 to 10%, BaO: 0 to 9.5%, and ZnO: 0 to 10%.

Optical glass

The invention provides an optical glass which comprises, in terms of % by mass on the basis of oxides, 35-45% of SiO, 12-20% of BO, 2-7% of LiO, 0.1-10% of ZnO, 2-15% of AlO, 10-40% of BaO, 0-5% of KO, 0-10% of NaO, and 0-20% of GdO, wherein SiO+BOis 47-58% and LiO+NaO+KO is 5-14%.

To provide a production process capable of making the transmittance of an optical glass element obtainable by press-molding a TeO-containing glass high. A process for producing an optical glass element, which comprises press-molding a TeO-containing glass, wherein the press-molding is carried out in an atmosphere in which the nitrogen partial pressure is at most 10Pa. The above process for producing an optical glass element, wherein the face of a mold for the press-molding to be in contact with the glass is made of carbon. The above process for producing an optical glass element, wherein the molded glass obtained by the press-molding is held in an oxygen-containing atmosphere at a temperature within a range of at least a temperature lower by 50&#xb0; C. than the glass transition point of the TeO-containing glass and at most the softening point of the glass.

Process for producing optical glass element

This invention provides an optical glass including, by mass %: 30 to 40% of BO; 2.5 to 6% of LiO; 10 to 17% of ZnO; 12 to 22% of LaO; 15 to 25% of GdO; 0 to 5% of SiO; 0 to 5% of BiO; 0 to 15% of AlO; 0 to 3% of ZrO; 0 to 5% of WO; 0 to 5% of TaO; 0 to 3% of TiO; 0 to 5% of YO; and 0 to 5% of MgO+CaO+SrO+BaO.

A harness clip includes a base portion having a leg portion for engagement with a rocker panel, a side wall portion standing on and extending from one side edge of the base portion, and a harness holding portion which is connected to the side wall portion through a hinge portion, and a lock portion for engagement with the base portion at a distal end edge portion of the harness holding portion. The distal end edge portion of the harness holding portion is formed into a substantially L-shape when viewed from an end surface thereof to provide an angular portion, and this angular portion is locked to the base portion in contacting relation to an upper surface of the base portion. Therefore, even when a load is applied to the harness clip, the harness can be stably held without canceling the engagement of the lock portion with the base portion.

Harness clip

It is to obtain a silica glass suitable as a material for an optical material constituting an optical system to be used for EUVL, which has a low coefficient of thermal expansion from 0 to 100&#xb0; C., and on which formation of concave defects is suppressed in a polishing step to achieve a high level of flatness. A silica glass containing from 0.1 to 10 mass % of Sn calculated as SnOand from 3 to 10 mass % of Ti calculated as TiO, which has a homogeneity of the coefficient of thermal expansion from 0 to 100&#xb0; C. to the temperature of from 50 to 200 ppb/&#xb0; C., a coefficient of thermal expansion from 0 to 100&#xb0; C. of 0&#xb1;250 ppb/&#xb0; C., and a Vickers hardness of at most 650.

Silica glass and optical material

The present invention provides an optical glass including, by mass %: 46 to 70 of BO; 3 to 10 of LiO; 5 to 15 of YO; 0 to 46 of SiO: 0 to 20 of AlO: 0 to 40 of MgO+CaO+SrO+BaO; 0 to 30 of LaO; and 0 to 10 of ZrO+TiO+GdO.

The object of the present invention is to provide an optical glass which has optical constants such as a refractive index of from 1.45 to 1.65 and an Abbe number of at least 65 and which is yet excellent in chemical durability. A phosphate optical glass comprising, as glass components by mass %, from 73 to 85 of PO, from 14 to 26 of AlO, from 1 to 12 of KO+LiO, from 0 to 12 of SiO, from 0 to 12 of BO, from 0 to 12 of NaO, from 0 to 12 of YO, from 0 to 12 of LaO, from 0 to 12 of MgO+CaO+SrO+BaO, from 0 to 10 of ZrO+TiO+GdO, from 0 to 10 of TaO+GeO+GaO+NbO+WO+TeO, from 0 to 2 of SbO, and from 0 to 12 of ZnO+PbO.

Phosphate optical glass

An optical glass which has an internal transmittance to a light having a wavelength of 400 nm being at least 90% as calculated in a thickness of 1 mm and which contains at least 25 mol % of BOand from 0.1 to 20 mol % of TeO. The above optical glass which contains LaO. The above optical glass wherein the glass transition point &#x2266;650&#xb0; C. and the refractive index at 633 nm&#x2267;1.70. A process for producing an optical element made of the above optical glass, which comprises dropping the optical glass in a molten state from a flow outlet of a flow out pipe made of a platinum alloy to form a preform and subjecting it to precision press-molding.

Optical glass and process for producing optical element

A non-lead optical glass consisting essentially of, as represented by mol %, from 45 to 75% of BiO, from 12 to 45% of BO, from 1 to 20% of GaO, from 1 to 20% of InO, from 0 to 20% of ZnO, from 0 to 15% of BaO, from 0 to 15% of SiO+AlO+GeO, from 0 to 15% of MgO+CaO+SrO, from 0 to 10% of SnO+TeO+TiO+ZrO+TaO+YO+WOand from 0 to 5% of CeO, wherein GaO+InO+ZnO&#x2267;5%. An optical fiber comprising the above non-lead optical glass as a core.

Non-lead optical glass and optical fiber

To provide an optical glass which has a high transmittance and a high refractive index and shows little decrease in the transmitted light intensity when continuously irradiated with a blue-violet laser diode light, and which is less prone to a higher melting temperature and exhibits chemical durability being not low. An optical glass consisting essentially of, as represented by mol %, from 35 to 54% of TeO, from 0 to 10% of GeO, from 5 to 30% of BO, from 0 to 15% of GaO, from 0 to 8% of BiO, from 3 to 20% of ZnO, from 0 to 10% of MgO+CaO+SrO+BaO, from 1 to 10% of YO+LaO+GdO, from 0 to 5% of TaO+NbO, from 0 to 1.8% of TiO, and from 0 to 6% of LiO+NaO+KO+RbO+CsO. A lens made of such an optical glass.

Optical glass and lens

In a glass optical waveguide having a core containing at least one oxide selected from the group of glass-constituting oxides consisting of BiO, SbO, PbO, SnOand TeO, large transmission loss of light which occurs when the cross-sectional shape of the core is rectangle, is reduced, and wherein the glass optical waveguide contains at least total 35% in mass % of at least one type of the above glass-constituting oxides, wherein the cross-sectional shape of the core is trapezoidal, among two parallel sides of the trapezoid, a long side is in a substrate side and among four sides constituting the trapezoid, angles of two oblique sides to the long side are each within a range of from 60 to 80&#xb0;.

Growing community of inventors

Yokohama, Japan

Naoki Sugimoto