摘要:
A glass substrate for forming a through-substrate via of a semiconductor device is provided, in which the strength is improved compared to that of the conventional glass substrate. The glass substrate for forming the through-substrate via of the semiconductor device according to the present invention includes a first surface and a second surface, and penetration holes extending from the first surface to the second surface, and is characterized in that at least one of the first and second surfaces is chemically strengthened.
摘要:
The present invention relates to a method for producing a silica glass substrate for an imprint mold, containing: obtaining a glass body from a glass-forming raw material containing an SiO 2 precursor; machining the glass body into a glass substrate having a predetermined shape; and removing an affected layer on a surface of the glass substrate, to produce a silica glass substrate for an imprint mold having a fictive temperature distribution in a region from the surface to a depth of 10 µm on the side to be subjected to a transfer pattern formation of the glass substrate being within ±30°C.
摘要:
The present invention relates to an alkali-free glass having a strain point of 680 to 735°C, an average thermal expansion coefficient at from 50 to 350°C of from 30×10 -7 to 43×10 -7 /°C, a temperature T 2 at which glass viscosity reaches 10 2 dPa·s of 1,710°C or lower, and a temperature T 4 at which the glass viscosity reaches 10 4 dPa·s of 1,310°C or lower, and containing, indicated by mol% on the basis of oxides, SiO 2 63 to 74, Al 2 O 3 11.5 to 16, B 2 O 3 exceeding 1.5 to 5, MgO 5.5 to 13, CaO 1.5 to 12, SrO 1.5 to 9, BaO 0 to 1, and ZrO 2 0 to 2, in which MgO+CaO+SrO+BaO is from 15.5 to 21, MgO/(MgO+CaO+SrO+BaO) is 0.35 or more, CaO/(MgO+CaO+SrO+BaO) is 0.50 or less, and SrO/(MgO+CaO+SrO+BaO) is 0.50 or less.
摘要翻译:本发明涉及应变点为680〜735℃,50〜350℃的平均热膨胀系数为30×10 -7〜43×10 -7 /℃的无碱玻璃, 玻璃粘度达到102dPa·s时的温度T2为1710℃以下,玻璃粘度达到104dPa·s时的温度T4为1310℃以下,以摩尔%计含有 的氧化物,SiO 2 63至74,Al 2 O 3 11.5至16,B 2 O 3超过1.5至5,MgO 5.5至13,CaO 1.5至12,SrO 1.5至9,BaO 0至1和ZrO 2 0至2,其中MgO + CaO + SrO + BaO为15.5〜21,MgO /(MgO + CaO + SrO + BaO)为0.35以上,CaO /(MgO + CaO + SrO + BaO)为0.50以下,SrO /(MgO + CaO + SrO + BaO)为0.50以下。
摘要:
The present invention relates to an alkali-free glass having a strain point of 725°C or higher, an average thermal expansion coefficient at from 50 to 300°C of from 30×10 -7 to 40×10 -7 /°C, a temperature T 2 at which a glass viscosity is 10 2 dPa·s of 1,710°C or lower, and a temperature T 4 at which a glass viscosity is 10 4 dPa·s of 1,320°C or lower, the alkali-free glass including, in terms of mol% on the basis of oxides, SiO 2 : 66 to 70, Al 2 O 3 : 12 to 15, B 2 O 3 : 0 to 1.5, MgO: more than 9.5 and 13 or less, CaO: 4 to 9, SrO: 0.5 to 4.5, BaO: 0 to 1, and ZrO 2 : 0 to 2, in which MgO+CaO+SrO+BaO is from 17 to 21, MgO/(MgO+CaO+SrO+BaO) is 0.4 or more, MgO/(MgO+CaO) is 0.4 or more, MgO/(MgO+SrO) is 0.6 or more, and the alkali-free glass does not substantially contain an alkali metal oxide.
摘要:
A glass substrate for forming a through-substrate via of a semiconductor device is provided, in which the α-ray emission is significantly suppressed and to which a laser beam machining is possible. The present invention is characterized in that a plurality of penetration holes is provided, and an α-count is 0.05 c/cm 2 ·h or less, a SiO 2 content is 40 wt% or higher, and a sum total content of Li 2 O (wt%) + Na 2 O (wt%) + K 2 O (Wt%) is 6.0 wt% or lower, and an average coefficient of thermal expansion at 50°C to 350°C is in a range of 20 x 10 -7 /K to 40 x 10 -7 /K.
摘要翻译:提供了一种用于形成半导体器件的贯通基板通孔的玻璃基板,其中,±射线发射受到显着抑制,激光束加工成为可能。 本发明的特征在于,设有多个贯通孔,±计数为0.05c / cm 2·h以下,SiO 2含量为40重量%以上,Li 2 O(wt%)+ Na 2 O(wt%)+ K 2 O(Wt%)为6.0wt%以下,在50℃〜350℃的平均热膨胀系数为20× 10 -7 / K至40×10 -7 / K。
摘要:
The present invention relates to an alkali-free glass having a strain point of 735°C or higher, an average thermal expansion coefficient at from 50 to 350°C of from 30×10 -7 to 40×10 -7 /°C, a temperature T 2 at which a glass viscosity is 10 2 dPa·s of 1,710°C or lower, a temperature T 4 at which a glass viscosity is 10 4 dPa·s of 1,340°C or lower, and a devitrification temperature of 1,330°C or lower, the alkali-free glass including, in terms of mol% on the basis of oxides: SiO 2 66 to 69, Al 2 O 3 12 to 15, B 2 O 3 0 to 1.5, MgO 6 to 9.5, CaO 7 to 9, SrO 0.5 to 3, BaO 0 to 1, and ZrO 2 0 to 2, in which MgO+CaO+SrO+BaO is from 16 to 18.2, MgO/(MgO+CaO+SrO+BaO) is 0.35 or more, MgO/(MgO+CaO) is 0.40 or more and less than 0.52, and MgO/(MgO+SrO) is 0.45 or more.
摘要翻译:本发明涉及应变点为735℃以上,50〜350℃的平均热膨胀系数为30×10 -7〜40×10 -7 /℃的无碱玻璃, 玻璃粘度为10 2 dPa·s为1710℃以下的温度T 2,玻璃粘度为10 4 dPa·s的温度T 4为1340℃以下,失透温度为1330℃ ℃以下的无碱玻璃,以氧化物:SiO 2 66〜69,Al 2 O 3 12〜15,B 2 O 3 0〜1.5,MgO 6〜9.5, CaO 7〜9,SrO 0.5〜3,BaO 0〜1,ZrO 2 0〜2,MgO + CaO + SrO + BaO为16〜18.2,MgO /(MgO + CaO + SrO + BaO)为0.35 以上,MgO /(MgO + CaO)为0.40以上且小于0.52,MgO /(MgO + SrO)为0.45以上。
摘要:
The present invention relates to a process for production of a TiO 2 -SiO 2 glass body, comprising a step of, when an annealing point of a TiO 2 -SiO 2 glass body after transparent vitrification is taken as T 1 (°C), holding the glass body after transparent vitrification in a temperature region of from T 1 -90 (°C) to T 1 -220 (°C) for 120 hours or more.
摘要:
The present invention relates to a process for production of a TiO 2 -SiO 2 glass body, comprising: a step of, when an annealing point of a TiO 2 -SiO 2 glass body after transparent vitrification is taken as T 1 (°C), heating the glass body after transparent vitrification at a temperature of T 1 +400°C or more for 20 hours or more; and a step of cooling the glass body after the heating step up to T 1 -400 (°C) from T 1 (°C) in an average temperature decreasing rate of 10°C/hr or less.
摘要:
The present invention relates to a process for producing a porous quartz glass body containing hydrolyzing a metal dopant precursor and an SiO 2 precursor in a flame of a burner to form glass fine particles, and depositing and growing the formed glass fine particles on a base material, in which the burner has at least two nozzles, and in which a mixed gas containing (A) a metal dopant precursor gas, (B) an SiO 2 precursor gas, (C) one gas of H 2 and O 2 , and (D) one or more gases selected from the group consisting of a rare gas, N 2 , CO 2 , a hydrogen halide and H 2 O, with a proportion of the gas (D) being from 5 to 70 mol%; and (E) the other gas of H 2 and O 2 of (C), are fed into different nozzles of the burner from each other.
摘要:
The present invention relates to an alkali-free glass having a strain point of from 680 to 735°C, an average thermal expansion coefficient at from 50 to 350°C of from 30×10 -7 to 43×10 -7 /°C, and a specific gravity of 2.60 or less, and containing, indicated by mol% on the basis of oxides, SiO 2 65 to 69%, Al 2 O 3 11.5 to 14%, B 2 O 3 3 to 6.5%, MgO 1 to 5%, CaO 7.5 to 12%, SrO 0 to 1%, BaO 0.5 to 6%, and ZrO 2 0 to 2%.
摘要翻译:本发明涉及应变点为680〜735℃,50〜350℃的平均热膨胀系数为30×10 -7〜43×10 -7 /℃的无碱玻璃 ,比重为2.60以下,以氧化物摩尔%表示的SiO 2为65〜69%,Al 2 O 3为11.5〜14%,B 2 O 3为3〜6.5%,MgO 1 至5%,CaO 7.5〜12%,SrO 0〜1%,BaO 0.5〜6%,ZrO 2 0〜2%。