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    • 1. 发明授权
    • Projection aligner for integrated circuit fabrication
    • 用于集成电路制造的投影对准器
    • US6031238A
    • 2000-02-29
    • US29451
    • 1998-02-26
    • Akira FujinokiHiroyuki NishimuraToshiki Mori
    • Akira FujinokiHiroyuki NishimuraToshiki Mori
    • G02B13/14G03F7/20
    • G03F7/701G02B13/14G03F7/70225G03F7/70241G03F7/70958
    • A known projection aligner for integrated circuit fabrication, in which an integrated circuit pattern image is projected on a wafer, comprises an ArF excimer laser and an optical system composed of groups of quartz glass optical members made of synthetic quartz glass. To provide a projection aligner having optical properties, such as durability, optical transmittance and the like, which are not degraded over a long time of operation and the optical system can be constructed at a low cost as a whole, it is suggested that the optical system comprises a first quartz glass optical member group whose hydrogen molecule concentration is in the range between 1.times.10.sup.17 and 5.times.10.sup.18 molecules/cm.sup.3 and a third quartz glass optical member group whose hydrogen molecule concentration is in the range between 5.times.10.sup.18 to 5.times.10.sup.19 molecules/cm.sup.3.
    • PCT No.PCT / EP97 / 03406 Sec。 371日期1998年2月26日 102(e)1998年2月26日PCT 1997年6月30日PCT公布。 出版物WO98 / 00761 日本1998年1月8日在集成电路制造中,集成电路图案投影在晶片上的已知投影对准器包括ArF准分子激光器和由合成石英玻璃制成的石英玻璃光学部件组成的光学系统。 为了提供一种投影对准器,其具有在长时间不劣化的光学性能,例如耐久性,光透射率等,并且光学系统可以以低成本整体构造,因此建议光学 系统包括其氢分子浓度在1×10 17和5×10 18分子/ cm 3之间的第一石英玻璃光学构件组和氢分子浓度在5×1018至5×1019分/ cm 3之间的第三石英玻璃光学构件组。
    • 3. 发明申请
    • Optical synthetic quartz glass and method for producing the same
    • 光学合成石英玻璃及其制备方法
    • US20060183622A1
    • 2006-08-17
    • US10548237
    • 2004-03-03
    • Hiroyuki NishimuraAkira Fujinoki
    • Hiroyuki NishimuraAkira Fujinoki
    • C03C3/06C03B37/07C03B37/075C03B37/018
    • C03B32/00C03B19/1453C03B2201/075C03B2201/12C03B2201/21C03B2201/23C03C3/06C03C4/0071C03C2201/12C03C2201/23C03C2203/40C03C2203/42Y02P40/57
    • The present invention provides an optical synthetic quartz glass material which substantially does not cause changes in transmitted wave surface (TWS) by solarization, compaction (TWS delayed), rarefaction (TWS progressed) and photorefractive effect when ArF excimer laser irradiation is applied at a low energy density, e.g. at energy density per pulse of 0.3 mJ/cm2 or less. The present invention further provides a method for manufacturing the same. In order to solve the above-mentioned problems, the optical synthetic quartz glass material of the present invention is characterized in that, in a synthetic quartz glass prepared by a flame hydrolysis method using a silicon compound as a material, the followings are satisfied that the amount of SiOH is within a range of more than 10 ppm by weight to 400 ppm by weight, content of fluorine is 30 to 1000 ppm by weight, content of hydrogen is 0.1×1017 to 10×1017 molecules/cm3 and, when the amounts of SiOH and fluorine are A and B, respectively, total amount of A and B is 100 ppm by weight or more and B/A is 0.25 to 25.
    • 本发明提供了一种光学合成石英玻璃材料,其在低温下施加ArF准分子激光照射时,通过太阳化,压实(TWS延迟),稀释(TWS进行)和光折射效应基本上不会引起透射波面(TWS)的变化 能量密度,例如 每个脉冲的能量密度为0.3mJ / cm 2以下。 本发明还提供一种制造该方法的方法。 为了解决上述问题,本发明的光学合成石英玻璃材料的特征在于,在使用硅化合物作为材料的火焰水解法制备的合成石英玻璃中,满足以下条件: SiOH的量在大于10重量ppm至400重量ppm的范围内,氟含量为30至1000重量ppm,氢含量为0.1×10 17至10 10 17分子/ cm 3,当SiOH和氟的量分别为A和B时,A和B的总量为100重量ppm以上,B / A为 0.25至25。
    • 5. 发明授权
    • Optical synthetic quartz glass and method for producing the same
    • 光学合成石英玻璃及其制造方法
    • US07312170B2
    • 2007-12-25
    • US10548237
    • 2004-03-03
    • Hiroyuki NishimuraAkira Fujinoki
    • Hiroyuki NishimuraAkira Fujinoki
    • C03C3/06C03B37/07C03B37/075C03B37/018
    • C03B32/00C03B19/1453C03B2201/075C03B2201/12C03B2201/21C03B2201/23C03C3/06C03C4/0071C03C2201/12C03C2201/23C03C2203/40C03C2203/42Y02P40/57
    • The present invention provides an optical synthetic quartz glass material which substantially does not cause changes in transmitted wave surface (TWS) by solarization, compaction (TWS delayed), rarefaction (TWS progressed) and photorefractive effect when ArF excimer laser irradiation is applied at a low energy density, e.g. at energy density per pulse of 0.3 mJ/cm2 or less. The present invention further provides a method for manufacturing the same. In order to solve the above-mentioned problems, the optical synthetic quartz glass material of the present invention is characterized in that, in a synthetic quartz glass prepared by a flame hydrolysis method using a silicon compound as a material, the followings are satisfied that the amount of SiOH is within a range of more than 10 ppm by weight to 400 ppm by weight, content of fluorine is 30 to 1000 ppm by weight, content of hydrogen is 0.1×1017 to 10×1017 molecules/cm3 and, when the amounts of SiOH and fluorine are A and B, respectively, total amount of A and B is 100 ppm by weight or more and B/A is 0.25 to 25.
    • 本发明提供了一种光学合成石英玻璃材料,其在低温下施加ArF准分子激光照射时,通过太阳化,压实(TWS延迟),稀释(TWS进行)和光折射效应基本上不会引起透射波面(TWS)的变化 能量密度,例如 每个脉冲的能量密度为0.3mJ / cm 2以下。 本发明还提供一种制造该方法的方法。 为了解决上述问题,本发明的光学合成石英玻璃材料的特征在于,在使用硅化合物作为材料的火焰水解法制备的合成石英玻璃中,满足以下条件: SiOH的量在大于10重量ppm至400重量ppm的范围内,氟含量为30至1000重量ppm,氢含量为0.1×10 17至10 10 17分子/ cm 3,当SiOH和氟的量分别为A和B时,A和B的总量为100重量ppm以上,B / A为 0.25至25。
    • 7. 发明授权
    • Method for producing synthetic quartz glass members for excimer lasers
    • 用于准分子激光的合成石英玻璃构件的制造方法
    • US06810687B2
    • 2004-11-02
    • US10076034
    • 2002-02-13
    • Hiroyuki NishimuraToru YokotaAkira Fujinoki
    • Hiroyuki NishimuraToru YokotaAkira Fujinoki
    • C03C2100
    • G03F7/70958C03B19/1453C03B2201/21C03C3/06C03C2201/21C03C2203/54Y02P40/57
    • In the light of the disadvantages of the prior art technology, an object of the present invention is to provide a method for producing a synthetic quartz glass member for excimer lasers, which comprises, while suppressing the generation of reductive defects which impairs the resistance against laser radiations, incorporating a sufficient amount of hydrogen molecules capable of achieving a high resistance against laser radiation into the quartz glass, yet uniformly incorporating the hydrogen molecules to realize a flat distribution in refractive indices attributed to the distribution in the density of hydrogen molecules. It is also an object of the present invention to provide a synthetic quartz glass member for excimer lasers obtained by the production method above, which yields high resistance against laser radiations and homogeneity. The above problems have been overcome by a method for producing a synthetic quartz glass member for excimer lasers, which, in a method for producing a synthetic quartz glass member for excimer laser optics comprising a step of incorporating hydrogen molecules into a synthetic quartz glass body by heat treating the synthetic quartz glass body at a temperature of 600° C. or lower under an atmosphere in a pressure range of 1 atm or higher but lower than 150 atm and containing hydrogen, said method comprises varying the pressure of the gas containing hydrogen either continuously or stepwise in at least a part of the heat treatment.
    • 鉴于现有技术的缺点,本发明的一个目的是提供一种制造用于准分子激光器的合成石英玻璃构件的方法,该方法包括在抑制减少激光器抗性的还原性缺陷的产生的同时, 将足够量的能够实现激光辐射的高分子氢分子掺入到石英玻璃中,同时均匀地掺入氢分子以实现归因于氢分子密度分布的折射率的平坦分布。 本发明的另一个目的是提供一种通过上述制造方法获得的用于准分子激光器的合成石英玻璃构件,其产生高的抗激光辐射和均匀性。 上述问题已经通过用于制造用于准分子激光器的合成石英玻璃构件的方法得到克服,该方法在用于准分子激光光学器件的合成石英玻璃构件的制造方法中包括通过以下步骤将氢分子掺入合成石英玻璃体中: 在1atm以上但低于150atm的压力范围的气氛中在600℃以下的温度下对合成石英玻璃体进行热处理,并含有氢,所述方法包括改变含氢气体的压力 在热处理的至少一部分中连续地或逐步地。
    • 8. 发明授权
    • Production method for making an optical member for excimer laser using synthetic quartz glass
    • 使用合成石英玻璃制造准分子激光用光学部件的制造方法
    • US06499315B1
    • 2002-12-31
    • US09671202
    • 2000-09-28
    • Hiroyuki NishimuraAkira FujinokiHisatoshi Otsuka
    • Hiroyuki NishimuraAkira FujinokiHisatoshi Otsuka
    • C03B2000
    • C03B19/1415C03B19/1484C03B2201/21C03B2207/32C03B2207/36C03C3/06C03C4/0085C03C2201/02C03C2201/21C03C2203/40Y02P40/57
    • The present invention relates to a synthetic quartz glass, which is a material for producing an optical member having an excellent excimer laser resistance, and a production method thereof with a good productivity. That is, the synthetic quartz glass produced by vitrifying glass fine particles obtained by flame hydrolysis of an organodisilazane compound directly on a substrate having a birefringence index of 5 nm/cm or less, a refractive index difference (&Dgr;n) of 2×10−6/cm or less, and an ArF saturated absorbance of 0.05/cm or less at a pulse energy density of 100 mJ/cm2/pulse. The production method thereof comprises the steps of introducing an organodisilazane compound represented by a general formula 1: (R1), SiNHSi(R2)3  (1) wherein R1 and R2 represent the same or a different alkyl group having 1 to 3 carbon atoms, into a flame comprising a combustion gas and a combustion-supporting gas to generate silica fine particles, and accumulating the silica fine particles on a rotating heat resistant substrate to be a molten glass.
    • 本发明涉及一种合成石英玻璃,其是用于制造具有优异的受激准分子激光电阻的光学部件的材料及其生产率高的生产方法。 也就是说,通过玻璃化玻璃微粒制造的合成石英玻璃,其通过有机二硅氮烷化合物直接在双折射率为5nm / cm以下的折射率(DELTAn)为2×10 -6 / cm 或更小,在脉冲能量密度为100mJ / cm 2 /脉冲下的ArF饱和吸光度为0.05 / cm以下。 其制造方法包括将由通式1表示的有机二硅氮烷化合物引入包含燃烧气体和燃烧支持的火焰的步骤中,其中R1和R2表示相同或不同的具有1至3个碳原子的烷基 气体产生二氧化硅微粒,并将二氧化硅微粒聚集在旋转的耐热基材上成为熔融玻璃。