Abstract: To provide an alkali-free glass substrate, which has a high Young's modulus, a low linear expansion coefficient, a high strain point and a low density, does not devitrify in the float forming process and is excellent in acid resistance. An alkali-free glass substrate, which contains neither alkali component nor BaO and consists essentially of, as represented by mol % based on oxide, from 57.0 to 65.0% of SiO2, from 10.0 to 12.0% of Al2O3, from 6.0 to 9.0% of B2O3, from 5.0 to 10.0% of MgO, from 5.0 to 10.0% of CaO and from 2.5 to 5.5% of SrO, provided that MgO+CaO+SrO is from 16.0 to 19.0%, MgO/(MgO+CaO+SrO)?0.40, and B2O3/(SiO2+Al2O3+B2O3)?0.12; wherein Young's modulus ?75 GPa; the linear expansion coefficient at from 50 to 350° C. is from 30×10?7/° C. to 40×10?7/° C.; the strain point ?640° C.; the temperature T2 (the viscosity ? satisfies log ?=2)?1,620° C.; the temperature T4 (the viscosity ? satisfies log ?=4)?1,245° C.; the devitrification temperature ?T4; and weight loss per unit area is at most 0.

Abstract: To provide a process for producing and alkali free glass for effectively suppressing bubbles, and an alkali free glass produced by the process, which is suitable as a glass substrate for flat panel displays and has few bubbles. A process for producing an alkali free glass containing substantially no alkali metal oxide, which comprises melting a glass starting material having a matrix composition of the following composition, and subjecting the molten glass to a treatment process of removing bubbles under reduced pressure, stirring or transferring under a condition where the molten glass is in contact with a platinum member, wherein the starting material is prepared so as to contain SnO2 in an amount of from 0.01 to 2.0% per 100% of the total amount of the above matrix composition; the starting material is melted under heating at from 1,500 to 1,650° C.

Abstract: To provide an alkali free glass which is suitable as a glass substrate for LCD and has few defects of bubbles and an undissolved starting material, and a process for producing an alkali free glass which can readily lower the defects in bubbles and an undissolved starting material. An alkali free glass with a matrix composition comprising SiO2, Al2O3, B2O3, MgO, CaO, SrO and BaO and containing substantially no alkali metal oxide, of which the temperature at which the viscosity becomes 102 dPa·s, is at most 1,600° C. and which contains sulfur in an amount of from 0.001 to 0.1% as calculated as SO3, as represented by the mass percentage, per 100% of the total amount of the above matrix composition, and a process for producing a glass which comprises preparing a starting material and melting it so that a sulfate be incorporated to the starting material in an amount of from 0.01 to 5% as calculated as SO3, as represented by the mass percentage, per 100% of the total amount of the above matrix composition.

Abstract: To provide an alkali-free glass excellent in the properties for glass substrates to be used for display, excellent in the resistance to reduction, and suitable for forming by a float process. An alkali-free glass consisting essentially of, as represented by mol %: SiO2 at least 60% and less than 66%, Al2O3 0 to 12%, B2O3 5 to 10%, MgO 0 to 18%, CaO 0 to 18%, SrO 0 to 18%, BaO 0 to 6%,? CaO + SrO 10 to 25%,? MgO + CaO + SrO + BaO 15.5 to 30%?? and containing substantially no alkali metal oxide.

Abstract: To present an alkali free glass capable of reducing compaction caused by heat treatment, without significantly increasing the strain point. An alkali free glass characterized in that the ratio (?an-st/?50-350) of the equilibrium density curve gradient ?an-st (ppm/° C.) in a temperature range of from about the annealing point (Tan) to about the strain point (Tst) to the average linear expansion coefficient ?50-350 (×10?6/° C.) in a range of from 50 to 350° C., is at least 0 and less than 3.64.

Abstract: The present invention detects a voice tone of a player based on input voice information, and then outputs voice data having a voice tone corresponded to the detected voice tone as voice data of an object, to thereby allow the player to operate a game object through voice input.

Abstract: The game sounds were classified into those emitted from left and right speaker units of a television receiver and those emitted from a head set worn by a player, and emission of the individual game sounds from the speaker units or a sound emissive portion of the head set is controlled corresponding to game screens or scenes. This allows the player to enjoy the video game while hearing footstep or whispering of the leading character closely from the head set, and hearing explosive sound or shout of the enemy characters distantly from the speaker units.

Abstract: Glass having a small number of bubbles even without containing As2O3 or Sb2O3 and further without containing SO3 and a method for producing glass without using either As2O3 or Sb2O3 as a refiner, are provided. Glass having a reduction degree such that Fe2+/(Fe2++Fe3+) is at least 0.61, as the reduction degree of glass is represented by a ratio of Fe ions. A method for producing glass, which comprises melting raw material to produce glass comprising, as represented by mass percentage, at least 40% of Si as SiO2, characterized in that the raw material contains an ammonium salt (except for ammonium sulfate and ammonium nitrate).

Abstract: On the occasion that predetermined voices are recognized, parameters regarding objects are changed appropriately depending on the voice thus recognized, and the objects is displayed on the basis of the changed parameters. For that reason, it is possible to control to display smoothly a battle scene while fastening smoothly an attack and protection and so forth between the character of the leading character and the character of the enemy.

Abstract: An alkali-free glass consisting essentially of: SiO2 64 to 76 mol %,  Al2O3 5 to 14 mol %, B2O3 5 to 16 mol %, MgO 1 to 16.5 mol %, CaO 0 to 14 mol %, SrO 0 to 6 mol %, and BaO 0 to 2 mol %.

Abstract: On the occasion that predetermined voices are recognized, parameters regarding objects are changed appropriately depending on the voice thus recognized, and the objects is displayed on the basis of the changed parameters. For that reason, it is possible to control to display smoothly a battle scene while fastening smoothly an attack and protection and so forth between the character of the leading character and the character of the enemy.

Abstract: The present invention detects a voice tone of a player based on input voice information, and then outputs voice data having a voice tone corresponded to the detected voice tone as voice data of an object, to thereby allow the player to operate a game object through voice input.

Abstract: The game sounds were classified into those emitted from left and right speaker units of a television receiver and those emitted from a head set worn by a player, and emission of the individual game sounds from the speaker units or a sound emissive portion of the head set is controlled corresponding to game screens or scenes. This allows the player to enjoy the video game while hearing footstep or whispering of the leading character closely from the head set, and hearing explosive sound or shout of the enemy characters distantly from the speaker units.

Abstract: A game object is displayed based on a parameter correlated to an object, and upon recognition of a predetermined voice, the parameter is properly altered in response to the recognized voice. This allows control of an object using voice as well as using an operating means such as a controller, to thereby enhance pleasure of operating the object.

Abstract: An alkali-free glass consisting essentially of, by wt %, from 58.4 to 66.0% of SiO2, from 15.3 to 22.0% of Al2O3, from 5.0 to 12.0% of B2O3, from 0 to 8.0% of MgO, from 0 to 9.0% of CaO, from 3.0 to 12.5% of SrO, from 0 to less than 2.0% of BaO, and from 9.0 to 18.0% of MgO+CaO+SrO+BaO and having a strain point of at least 640° C.

Abstract: An alkali-free glass consisting essentially of from 60 to 74 mol % of SiO.sub.2, from 10 to 16 mol % of Al.sub.2 O.sub.3, from 10 to 12 mol % of B.sub.2 O.sub.3, the molar ratio of Al.sub.2 O.sub.3 /B.sub.2 O.sub.3 being from 1.0 to 1.5, from 0 to 5 mol % of MgO, from 0 to 5 mol % of CaO, from 0 to 12 mol % of SrO, from 0 to 12 mol % of BaO, and from 6 to 12 mol % of SrO+BaO, which contains substantially no alkali metal oxide and has a strain point exceeding 650.degree. C. and an average thermal expansion coefficient of at most 40.times.10.sup.-7 /.degree.C. within a range of from 50.degree. to 300.degree. C., and of which the weight loss per unit area after immersion at 25.degree. C. for 20 minutes in a liquid prepared by mixing a 40 wt % ammonium fluoride aqueous solution and a 50 wt % hydrofluoric acid aqueous solution in a volume ratio of 9:1, is less than 0.60 mg/cm.sup.2, the weight loss per unit area after immersion at 95.degree. C. for 20 hours in 0.1N HCl, is less than 0.20 mg/cm.sup.

Abstract: In each of the second and subsequent heat treatments, in a case where a glass substrate shrinks by heat treatment at the same average cooling rate as the average cooling rate in the immediately preceding heat treatment, the average cooling rate is set to be larger than that in the immediately preceding heat treatment, and inversely, in a case where the glass substrate extends, the average cooling rate is set to be smaller than that in the immediately preceding heat treatment.

Abstract: An alkali-free glass consisting essentially of from 60 to 73 mol % of SiO.sub.2, from 5 to 16 mol % of Al.sub.2 O.sub.3, from 5 to 12 mol % of B.sub.2 O.sub.3, from 0 to 6 mol % of MgO, from 0 to 9 mol % of CaO, from 1 to 9 mol % of SrO, from 0 to less than 1 mol % of BaO, and from 7 to 18 mol % of MgO+CaO+SrO+BaO and having a strain point of at least 640.degree. C.

Abstract: An alkali free glass consisting essentially of from 50 to 60 wt % of SiO.sub.2, from 8 to 16 wt % of Al.sub.2 O.sub.3, from 4 to 10 wt % of B.sub.2 O.sub.3, from 1.5 to 5 wt % of MgO, from 0 to 7 wt % of CaO, from 0 to 10 wt % of SrO, from 10 to 20 wt % of BaO and from 0 to 3 wt % of ZnO and essentially free from alkali metal oxides.

Abstract: An alkali free glass having a strain point of at least 650.degree. C. and consisting essentially of from 55 to 65 wt % of SiO.sub.2, from 10 to 18 wt % of Al.sub.2 O.sub.3, from 0 to 3 wt % of B.sub.2 O.sub.3, from 0 to 3 wt % of MgO, from 8 to 15 wt % of CaO, from 8 to 15 wt % of SrO and from 0 to 3 wt % of ZnO and essentially free from alkali metal oxides and BaO.