Optical synthetic quartz glass and method for producing the same
    11.
    发明授权
    Optical synthetic quartz glass and method for producing the same 有权
    光学合成石英玻璃及其制造方法

    公开(公告)号:US07312170B2

    公开(公告)日:2007-12-25

    申请号:US10548237

    申请日:2004-03-03

    摘要: 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.

    摘要翻译: 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。

    Method for producing synthetic quartz glass members for excimer lasers
    12.
    发明授权
    Method for producing synthetic quartz glass members for excimer lasers 有权
    用于准分子激光的合成石英玻璃构件的制造方法

    公开(公告)号:US06810687B2

    公开(公告)日:2004-11-02

    申请号:US10076034

    申请日:2002-02-13

    IPC分类号: C03C2100

    摘要: 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.

    摘要翻译: 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。

    Production method for making an optical member for excimer laser using synthetic quartz glass
    13.
    发明授权
    Production method for making an optical member for excimer laser using synthetic quartz glass 有权
    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

    公开(公告)号:US06499315B1

    公开(公告)日:2002-12-31

    申请号:US09671202

    申请日:2000-09-28

    IPC分类号: C03B2000

    摘要: 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.

    摘要翻译: 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。

    Synthetic quartz glass optical material for yag laser with higher harmonic
    14.
    发明申请
    Synthetic quartz glass optical material for yag laser with higher harmonic 有权
    合成石英玻璃光学材料用于具有较高谐波的yag激光

    公开(公告)号:US20050239626A1

    公开(公告)日:2005-10-27

    申请号:US10523323

    申请日:2003-07-19

    摘要: It is an object of the present invention to provide synthetic quartz glass optical materials suitable for use in YAG of higher order harmonics. The damage threshold value in J/cm2 (energy density at which cracks occur generated by irradiation) is to be considered when synthetic quartz glass material is irradiated with YAG laser of third or higher order harmonics with single pulses or continuously. Regarding a synthetic quartz glass optical material in use for the optical parts constituting the prism and lens used in a laser beam machine, this invention provides a synthetic quartz glass material suitably used for the YAG laser with the third or higher order of harmonic, choosing the following conditions: OH group concentration is in the range of ≧1 to ≦300 ppm; contained hydrogen molecule concentration is in the range of ≧2×1018 to ≧2×1019 molecules/cm3; transmittance of ultraviolet rays at 245 nm of wavelength is 99.9% or more; and the fictive temperature is in the range of ≧880 to ≦990° C.

    摘要翻译: 本发明的目的是提供适用于较高次谐波的YAG的合成石英玻璃光学材料。 当合成石英玻璃材料用单个脉冲的三次或更高次谐波的YAG激光照射时,考虑J / cm 2的损伤阈值(通过照射产生裂纹的能量密度) 或连续。 关于构成用于激光束机的棱镜和透镜的光学部件的合成石英玻璃光学材料,本发明提供了适用于具有第三或更高次谐波的YAG激光器的合成石英玻璃材料,选择 以下条件:OH基浓度在> = 1〜<= 300ppm的范围内; 含有氢分子浓度在> = 2×10 18 /分钟/分钟/分钟的范围内; 波长245nm处紫外线的透过率为99.9%以上; 并且假想温度在> = 880至<= 990℃的范围内。

    Optical system for integrated circuit fabrication
    15.
    发明授权
    Optical system for integrated circuit fabrication 失效
    用于集成电路制造的光学系统

    公开(公告)号:US06483639B2

    公开(公告)日:2002-11-19

    申请号:US09194536

    申请日:1998-11-25

    IPC分类号: G02B600

    摘要: An optical system for integrated circuit fabrication comprises optical members made of synthetic quartz glass and fluorite, wherein: an optical member disposed in a position through which laser light is transmitted at a high light energy density, is made of single crystal fluorite; and an optical member in a position through which laser light is transmitted at a low light energy density, is made of synthetic quartz glass containing approximately such a hydrogen molecule concentration as can be doped under atmospheric pressure.

    摘要翻译: 用于集成电路制造的光学系统包括由合成石英玻璃和萤石制成的光学构件,其中:设置在激光以高光能密度透射的位置的光学构件由单晶萤石制成; 并且在低光能密度下透射激光的位置的光学构件由包含大气压下可掺杂的氢分子浓度的合成石英玻璃制成。

    Synthetic quartz glass optical material for YAG laser with higher harmonic
    17.
    发明授权
    Synthetic quartz glass optical material for YAG laser with higher harmonic 有权
    用于具有较高谐波的YAG激光器的合成石英玻璃光学材料

    公开(公告)号:US07288775B2

    公开(公告)日:2007-10-30

    申请号:US10523323

    申请日:2003-07-19

    IPC分类号: C03C3/06 H01S3/17

    摘要: It is an object of the present invention to provide synthetic quartz glass optical materials suitable for use in YAG of higher order harmonics. The damage threshold value in J/cm2 (energy density at which cracks occur generated by irradiation) is to be considered when synthetic quartz glass material is irradiated with YAG laser of third or higher order harmonics with single pulses or continuously. Regarding a synthetic quartz glass optical material in use for the optical parts constituting the prism and lens used in a laser beam machine, this invention provides a synthetic quartz glass material suitably used for the YAG laser with the third or higher order of harmonic, choosing the following conditions: OH group concentration is in the range of ≧1 to ≦300 ppm; contained hydrogen molecule concentration is in the range of ≧2×1018 to ≦2×1019 molecules/cm3; transmittance of ultraviolet rays at 245 nm of wavelength is 99.9% or more; and the fictive temperature is in the range of ≧880 to ≦990° C.

    摘要翻译: 本发明的目的是提供适用于较高次谐波的YAG的合成石英玻璃光学材料。 当合成石英玻璃材料用单个脉冲的三次或更高次谐波的YAG激光照射时,考虑J / cm 2的损伤阈值(通过照射产生裂纹的能量密度) 或连续。 关于构成用于激光束机的棱镜和透镜的光学部件的合成石英玻璃光学材料,本发明提供了适用于具有第三或更高次谐波的YAG激光器的合成石英玻璃材料,选择 以下条件:OH基浓度在> = 1〜<= 300ppm的范围内; 含有氢分子浓度在> = 2×10 18〜2×10 9分子/ cm 3的范围内。 波长245nm处紫外线的透过率为99.9%以上; 并且假想温度在> = 880至<= 990℃的范围内。

    Method for producing synthetic quartz glass for use in ArF excimer laser lithography
    18.
    发明授权
    Method for producing synthetic quartz glass for use in ArF excimer laser lithography 失效
    用于ArF准分子激光光刻的合成石英玻璃的制造方法

    公开(公告)号:US06266978B1

    公开(公告)日:2001-07-31

    申请号:US09392427

    申请日:1999-09-09

    IPC分类号: C03B3200

    摘要: A simple method for producing a synthetic quartz glass having excellent homogeneity and high transmittance, which is useful as an optical material in producing steppers equipped with an ArF excimer laser as a radiation source. A method for producing a synthetic quartz glass for use in ArF excimer laser lithography, which comprises irradiating a highly homogeneous synthetic quartz glass containing less than 60 ppb of Na with ultraviolet radiation having a maximum wavelength of 260 nm for not less than the duration expressed by the equation: Y=(80X−1880)/Z wherein X represents an Na concentration (ppb), Y represents the duration of irradiation (hours), and Z represents the illuminance of an ultraviolet radiation on an irradiated surface (mW/cm2).

    摘要翻译: 用于制造具有优异的均匀性和高透射率的合成石英玻璃的简单方法,其可用作制备装备有ArF准分子激光器作为辐射源的步进机中的光学材料。 一种用于制造用于ArF准分子激光光刻的合成石英玻璃的方法,其包括:将含有小于60ppb的Na的高度均匀的合成石英玻璃与最大波长为260nm的紫外线辐射照射不少于由 方程式:其中X表示Na浓度(ppb),Y表示照射持续时间(小时),Z表示照射表面上的紫外线照射的照度(mW / cm 2)。

    Process for manufacturing optical member for excimer laser
    19.
    发明授权
    Process for manufacturing optical member for excimer laser 失效
    准分子激光用光学元件的制造方法

    公开(公告)号:US6094941A

    公开(公告)日:2000-08-01

    申请号:US115741

    申请日:1998-07-15

    摘要: An excellent quartz glass optical member having stable laser beam resistance, can be obtained by preparing quartz glass in a process having:a first step of subjecting a starting material obtained from silicon halide, alkoxysilane, alkylalkoxysilane, etc. to an oxidizing heat treatment in a temperature range between 600 and 1,500.degree. C., to decrease the hydrogen concentration to 5.times.10.sup.16 molecules/cm.sup.3 or less and at the same time eliminate reducing defects;a second step of subsequently holding the quartz in a hydrogen-containing atmosphere in a temperature range between 200 and 600.degree. C., to establish a hydrogen concentration in the glass of 1.times.10.sup.17 molecules/cm.sup.3 ; anda third step of carrying out a treatment of making the hydrogen concentration of the resultant quartz glass uniform in an atmosphere of air, inert gas, hydrogen, a mixture of hydrogen and inert gas, or a mixture of air and inert gas in a temperature range between 300 and 800.degree. C.

    摘要翻译: 具有稳定的激光束电阻的优良的石英玻璃光学部件可以通过以下工序制备石英玻璃得到:第一步是将由卤化硅,烷氧基硅烷,烷基烷氧基硅烷等获得的原料进行氧化热处理 温度范围为600〜1500℃,将氢浓度降低至5×1016分子/ cm3以下,同时消除了缺陷; 随后在200℃至600℃的温度范围内将石英保持在含氢气氛中,以在玻璃中形成1×10 17分子/ cm 3的氢浓度; 以及在空气,惰性气体,氢气,氢气和惰性气体的混合物或空气和惰性气体的混合物的温度下进行使所得石英玻璃的氢浓度均匀的处理的第三步骤 范围在300和800℃之间

    Method for producing optical quartz glass for excimer lasers and vertical-type heating furnace
    20.
    发明授权
    Method for producing optical quartz glass for excimer lasers and vertical-type heating furnace 失效
    用于准分子激光器和立式加热炉的光学石英玻璃的制造方法

    公开(公告)号:US06508084B1

    公开(公告)日:2003-01-21

    申请号:US09527655

    申请日:2000-03-17

    IPC分类号: C03B37018

    摘要: A method for producing an optical quartz glass for use in excimer lasers, comprising a step of forming a porous silica preform by depositing silica in a soot-like form formed by flame hydrolysis of a high-purity volatile silicon compound, followed by a step of vitrifying said porous silica preform into transparent glass in an atmosphere containing water vapor and hydrogen, and a vertical type heating furnace for carrying out the production method therein.

    摘要翻译: 一种用于准分子激光器的光学石英玻璃的制造方法,其特征在于,包括以高纯度挥发性硅化合物的火焰水解形成的烟灰状沉积二氧化硅,形成多孔二氧化硅预成型体的工序, 在含有水蒸气和氢气的气氛中将所述多孔二氧化硅预制件玻璃化成透明玻璃,以及在其中进行制造方法的立式加热炉。