Asahi Glass Company, Limited

Agc Inc.

Agc Glass Europe

Agc Flat Glass North America, Inc.

Agc Vidros Do Brasil Ltda.

Yuya Shimada

Yuki Kondo

Yusuke Arai

Manabu Nishizawa

Tomoyuki Kobayashi

Junichiro Kase

Akio Koike

Isao Saito

Kei Maeda

Ryuta Sonoda

Kensuke Nagai

Hiroyuki Hijiya

Yuichi Kuroki

Shuichi Akada

Kentaro Oka

Tetsuya Hiramatsu

Mayu Ogawa

Ken Ebihara

An antenna unit to be used by being installed so as to face window glass of a building, the antenna unit including a radiating element, a reflective member configured to reflect electromagnetic waves radiated from the radiating element toward outside of the building, and a support unit configured to removably support the reflective member. An antenna unit attachment method includes installing an antenna unit so as to face window glass for a building, the antenna unit having a radiating element and a support unit, and supporting a reflective member that reflects electromagnetic waves radiated from the radiating element by the support unit on an outdoor side relative to the radiating element.

Antenna unit, antenna unit-equipped window glass, attachment method for antenna unit

A glass sheet contains, as represented by mass percentage based on oxides, SiO: 65-75%, AlO: 0-20%, MgO: 0-5%, CaO: 2-20%, NaO: 5-20%, KO: 0-10%, total iron in terms of FeO(t-FeO): 0.2-1.0%, TiO: 0.65-1.5%, and CeO: 0.1-2.0%. A ratio of the content of MgO to RO is 0.20 or less, where RO is a total amount of MgO, CaO, SrO and BaO. Fe-redox is from 30 to 57%. The glass sheet has a visible light transmittance Tv_A of 65% or more, a solar transmittance Te of 50% or less, and a dominant wavelength Dw of transmitted light of from 508 to 580 nm, in terms of a 3.9-mm thickness of the glass sheet. A value of A=([t-FeO]&#xd7;Fe-redox)/[TiO] is from 20 to 40, where [t-FeO] is the content of t-FeOand [TiO] is the content of TiO.

Glass plate

To provide a colored glass plate of which the mass ratio of divalent iron as calculated as FeOto total iron as calculated as FeOcan be stably maintained at a high level while amber coloring derived from salt cake (NaSO) is suppressed by reducing the amount of salt cake used as a refining agent, and which has less bubbles regardless of a small amount of total sulfur as calculated as SO. A colored glass plate which is made of alkali-containing silica glass containing iron, tin and sulfur, wherein, as represented by mass % based on oxides, the proportion of total sulfur as calculated as SOis less than 0.025%, the proportion of divalent iron as calculated as FeOto total iron as calculated as FeOis at least 45%, the proportion of divalent tin as calculated as SnOto total tin as calculated as SnOis at least 0.1% as represented by mol %, and &#x3b2;-OH is at least 0.15 mm.

Colored glass plate and method for manufacturing same

A heat-absorbing glass plate containing iron, tin, selenium, cobalt and sulfur, where the mass ratio of divalent iron as calculated as FeOto total iron as calculated as FeOis at least 55%, the ratio Tv/Te of the visible light transmittance Tv (by illuminant A, 2&#xb0; visual field) as defined in JIS R3106 (1998) calculated as 4 mm thickness of the glass plate to the solar transmittance Te as defined in JIS R3106 (1998) calculated as 4 mm thickness of the glass plate, is at least 1.5, the visible light transmittance Tv (by illuminant A, 2&#xb0; visual field) is at most 65% as defined in JIS R3106 (1998) calculated as 4 mm thickness of the glass plate, and the excitation purity Pe is at most 7% as defined in JIS Z8701 (1999) calculated as 4 mm thickness of the glass plate.

Heat-absorbing glass plate and method for manufacturing same

A heat-absorbing glass plate containing iron, tin, selenium, cobalt and sulfur, where the mass ratio of divalent iron as calculated as FeOto total iron as calculated as FeOis at least 55%, the ratio Tv/Te of the visible light transmittance Tv (by illuminant A, 2&#xb0; visual field) as defined in JIS R3106 (1998) calculated as 4 mm thickness of the glass plate to the solar transmittance Te as defined in JIS R3106 (1998) calculated as 4 mm thickness of the glass plate, is at least 1.5, the visible light transmittance Tv (by illuminant A, 2&#xb0; visual field) is higher than 65% as defined in JIS R3106 (1998) calculated as 4 mm thickness of the glass plate, and the excitation purity Pe is at most 7% as defined in JIS Z8701 (1999) calculated as 4 mm thickness of the glass plate.

Heat ray-absorbing glass plate and method for producing same

A heat-absorbing glass plate containing iron, tin and sulfur, where, as represented by mass % based on oxides, the amount of total iron as calculated as FeOis at least 0.3%, the amount of total tin as calculated as SnOis less than 0.4%, and the ratio (SnO/SO) of the amount of total tin to the amount of total sulfur as calculated as SOis from 0.2 to 100.

Heat-ray-absorbing glass plate and method for producing same

To provide a heat-absorbing glass plate of which amber coloring is suppressed, and which satisfies both low solar transmittance and high visible light transmittance. The heat-absorbing glass plate of the present invention is one containing iron, tin and sulfur, wherein, as represented by mass % based on oxides, the MgO content is at most 4.5%, the amount of total tin as calculated as SnOis less than 0.4%, and the ratio (SnO/SO) of the amount of total tin to the amount of total sulfur as calculated as SOis from 0.2 to 100.

To provide glass having a favorable color tone, and its production process. Glass comprising, as represented by mass percentage based on oxides, at least 60% and at most 75% of SiO, at least 8% and at most 20% of NaO, at least 4.5% of MgO, at least 1% and at most 10% of CaO, and at least 0.01% and at most 0.5% of ErO.

Glass and manufacturing method of glass plate

To provide a colored glass plate which, despite containing substantially no expensive cerium, simultaneously satisfies low solar transmittance, high visible light transmittance and low UV transmittance, while transmitted light has a green color tone, The colored glass plate comprises, as represented by mass percentage based on oxides, SiO: from 65 to 75%, AlO: from 0 to 6%, MgO: at least 0% and less than 2%, CaO: from 5 to 15%, total iron calculated as FeO: from 0.3 to 1.2%, total titanium calculated as TiO: from 0.2 to 1.1%, and total vanadium calculated as VO: from 0.02 to 0.3%, and contains substantially no cerium, cobalt, chromium or manganese.

Colored glass plate and method for its production

To provide a colored glass plate which, despite the content of expensive cerium controlled to be low, simultaneously satisfies low solar transmittance, high visible light transmittance and low UV transmittance, while transmitted light has a green color tone. The colored glass plate comprises, as represented by mass percentage based on oxides, SiO: from 65 to 75%, AlO: from 0 to 6%, MgO: from 0 to 6%, CaO: from 5 to 15%, total iron calculated as FeO: from 0.3 to 1.2%, total titanium calculated as TiO: from 0.2 to 1.1%, total vanadium calculated as VO: from 0.02 to 0.3%, and total cerium calculated as CeO: from 0.01 to 0.5%, and contains substantially no cobalt, chromium or manganese.

To provide a colored glass plate which, despite containing substantially no expensive cerium, simultaneously satisfies low solar transmittance, high visible light transmittance and low UV transmittance, while transmitted light has a green color tone. The colored glass plate comprises, as represented by mass percentage based on oxides, SiO: from 65 to 75%, AlO: from 0 to 6%, MgO: from 2 to 6%, CaO: from 5 to 15%, total iron calculated as FeO: from 0.3 to 1.2%, total titanium calculated as TiO: from 0.2 to 1.1%, and total vanadium calculated as VO: from 0.02 to 0.3%, and contains substantially no cerium, cobalt, chromium or manganese.

To provide a heat-absorbing glass plate which satisfies both low solar transmittance and high visible light transmittance, presents a green color as transmitted light and contains a small number of coloring components. The heat-absorbing glass plate of the present invention has a solar transmittance of at most 42% calculated as 4 mm thickness, has a visible light transmittance (by illuminant A, 2&#xb0; visual field) of at least 70% calculated as 4 mm thickness, and provides a transmitted light having a dominant wavelength of from 492 to 520 nm, and it is made of soda lime silica glass having substantially the following composition, as represented by mass % based on oxides. SiO: 65 to 75%, AlO: more than 3% and at most 6%, MgO: at least 0% and less than 2%, CaO: 7 to 10%, total iron as calculated as FeO: 0.45 to 0.65%, and TiO: 0.2 to 0.8%, and contains substantially no member selected from the group consisting of CoO, CrO, VOand MnO, wherein the proportion of the mass of divalent FeO in the mass of total iron which is the amount of total iron as calculated as FeO, is more than 42% and at most 60%.

Heat-absorbing glass plate and process for its production

The present invention relates to a chemically strengthened glass for a display device, having a visible light transmittance Tva of 50% or more and less than 91% at a thickness of 1 mm using A light source, and an excitation purity Pe of less than 0.5% at a thickness of 1 mm.

Chemically strengthened glass for display device

To provide a heat-absorbing glass plate which comprises soda lime silica glass containing coloring components, the coloring components containing, as represented by mass % based on the following oxides, from 0.45 to 0.61% of total iron as calculated as FeOand from 0.2 to 0.6% of TiO, which contains substantially no CoO, CrO, VO, MnO nor CeO, which has a mass proportion of bivalent iron as calculated as FeOin total iron as calculated as FeOof from 45 to 60%, which has a solar transmittance of at most 42% calculated as 4 mm thickness, which has a visible light transmittance (by illuminant A) of at least 70% calculated as 4 mm thickness, and which provides a transmitted light having a dominant wavelength of from 492 to 500 nm.

Heat-absorbing glass plate and its production process

To provide a glass plate for display panels which has a low 8Ocontent and a low compaction and which can be used as a glass substrate for large TFT panels. A glass plate for display panels, which comprises, as a glass matrix composition as represented by mass % based on oxide:

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Tokyo, Japan

Yuya Shimada