Optical member of synthetic quartz glass for excimer lasers and method
for producing same
    133.
    发明授权
    Optical member of synthetic quartz glass for excimer lasers and method for producing same 失效
    用于准分子激光的合成石英玻璃的光学元件及其制造方法

    公开(公告)号:US5364433A

    公开(公告)日:1994-11-15

    申请号:US977397

    申请日:1993-05-15

    Abstract: A synthetic quartz glass optical member for an ultraviolet laser, suitably applicable as a stepper lens of a lithographer using an excimer laser beam and other optical members, wherein the quartz glass has a hydroxyl content of 10 to 100 ppm, a chlorine content of 200 ppm or less, a hydrogen content of 1.times.10.sup.16 molecules/cm.sup.3 or less, a homogeneity of refractive index of 5.times.10.sup.-6 or less in terms of .DELTA.n, and a birefringence of 5 nm/cm or less. The optical member can be produced by subjecting a volatile silicon compound to flame hydrolysis with oxyhydrogen flame, depositing the formed particulate silica on a heat-resistant support to prepare a porous silica matrix, heating the matrix in a vacuum as high as 1.times.10.sup.-2 Torr or above to a temperature of 1,400 .degree. C. or above to effect dehydration and degassing, homogenizing the resultant transparent quartz glass into highly homogeneous quartz glass free from striae in at last one direction, molding the highly homogeneous quartz glass, and annealing the molded glass.

    Abstract translation: PCT No.PCT / JP92 / 00821 Sec。 371日期1993年3月15日 102(e)1993年3月15日PCT提交1992年6月29日PCT公布。 公开号WO93 / 00307 日期:1993年1月7日。一种用于紫外线激光的合成石英玻璃光学元件,适用于使用准分子激光束和其它光学部件的平版印刷机的步进透镜,其中石英玻璃的羟基含量为10〜100ppm ,氯含量为200ppm以下,氢含量为1×1016分/ cm 3以下,折射率均匀性为DELTA n为5×10 -6以下,双折射为5nm / cm以下。 光学构件可以通过使挥发性硅化合物用氢氧焰火焰水解,将形成的颗粒二氧化硅沉积在耐热载体上以制备多孔二氧化硅基质来制造,在高达1×10 -2乇的真空中加热基质 以上至1400℃以上的温度进行脱水脱气,将得到的透明石英玻璃均匀化成最后一个方向不含条纹的高度均匀的石英玻璃,成型高度均匀的石英玻璃,退火成型玻璃 。

    Substrate having an active element array with low hydroxyl and chlorine
    134.
    发明授权
    Substrate having an active element array with low hydroxyl and chlorine 失效
    底物具有低羟基和氯的活性元素阵列

    公开(公告)号:US5349456A

    公开(公告)日:1994-09-20

    申请号:US9677

    申请日:1993-01-27

    Abstract: A synthetic quartz glass substrate (1) supporting active elements is formed of high-purity synthetic quartz glass having, a hydroxyl group content of 200 ppm or below and chlorine group content of 50 ppm or below. The substrate (1) may have an impurity level of 1 ppm or less sodium and 1 ppm or less aluminum. TFTs (6), i.e., active elements, and picture element electrodes (7) are formed on the surface of the synthetic quartz glass substrate (1) to construct a driving panel for a liquid crystal display of an active matrix type. A liquid crystal panel is formed by disposing the driving panel and a counter substrate (2) opposite to each other and sandwiching a liquid crystal layer (3) between the driving panel and the counter substrate (2).

    Abstract translation: 支承有源元件的合成石英玻璃基板(1)由羟基含量为200ppm以下,氯基含量为50ppm以下的高纯度合成石英玻璃形成。 衬底(1)可以具有1ppm或更少的钠和1ppm或更少的铝的杂质水平。 在合成石英玻璃基板(1)的表面上形成TFT(6)即有源元件和像素电极(7),构成有源矩阵型液晶显示器的驱动面板。 通过将驱动面板和对置基板(2)相对配置并将液晶层(3)夹在驱动面板和对置基板(2)之间来形成液晶面板。

Patent Agency Ranking