公开(公告)号：WO2012070375A1

公开(公告)日：2012-05-31

申请号：PCT/JP2011/075650

申请日：2011-11-01

Applicant: CANON KABUSHIKI KAISHA ,  SUGIYAMA, Akira ,  ZHANG, Zuyi ,  KOTANI, Yoshinori ,  TAKASHIMA, Kenji ,  KOKETSU, Naoyuki

Inventor： SUGIYAMA, Akira ,  ZHANG, Zuyi ,  KOTANI, Yoshinori ,  TAKASHIMA, Kenji ,  KOKETSU, Naoyuki

IPC: C03C17/00 ,  G02B1/10

CPC classification number: C03C17/02 ,  C03C17/006 ,  C03C2217/425 ,  Y10T428/24331

Abstract: Provided is an optical member having high strength, low reflection, and a high transmittance. The optical member includes: a transparent substrate; and a porous glass layer having a spinodal-type porous structure disposed on the transparent substrate, in which at least one of the average pore diameter of a pore formed in the porous glass layer and the average skeleton diameter of a skeleton of the porous glass layer is set so that the optical member has a transmittance of 50% or more in the wavelength region of 450 nm or more and 650 nm or less.

Abstract translation: 提供了具有高强度，低反射和高透射率的光学构件。 光学构件包括：透明基板; 以及多孔玻璃层，其具有设置在所述透明基板上的旋节多孔结构，其中，形成在所述多孔玻璃层中的孔的平均孔径和所述多孔玻璃层的骨架的平均骨架直径中的至少一个 被设定为使得光学部件在450nm以上且650nm以下的波长区域具有50％以上的透射率。

公开(公告)号：WO2012074078A1

公开(公告)日：2012-06-07

申请号：PCT/JP2011/077873

申请日：2011-11-25

Applicant: CANON KABUSHIKI KAISHA ,  KOTANI, Yoshinori ,  ZHANG, Zuyi ,  SUGIYAMA, Akira ,  TAKASHIMA, Kenji ,  KOKETSU, Naoyuki

Inventor： KOTANI, Yoshinori ,  ZHANG, Zuyi ,  SUGIYAMA, Akira ,  TAKASHIMA, Kenji ,  KOKETSU, Naoyuki

IPC: C03C11/00 ,  C03C15/00 ,  C03C17/25 ,  C03B32/00

CPC classification number: C03C11/005 ,  C03C15/00 ,  C03C17/25 ,  C03C2217/228 ,  C03C2217/23 ,  Y10T428/315

Abstract: This invention provides a porous glass with a varied porous structure that shows an excellent optical performance. A method of manufacturing a porous glass comprising: a first step of forming a surface layer containing a boron compound and an alkali metal compound as main ingredients on a matrix glass containing a silicon oxide, a boron oxide and an alkali metal oxide; a second step of heat treatment the matrix glass and the surface layer for phase separation to form a phase-separated glass; and a third step of acid treatment the phase-separated glass to form the porous glass having pores.

Abstract translation: 本发明提供具有优异的光学性能的具有变化的多孔结构的多孔玻璃。 一种制造多孔玻璃的方法，包括：在含有氧化硅，氧化硼和碱金属氧化物的基质玻璃上形成含有硼化合物和碱金属化合物作为主要成分的表面层的第一步骤; 对基体玻璃和表面层进行相分离的热处理以形成相分离玻璃的第二步骤; 以及对相分离玻璃进行酸处理以形成具有孔的多孔玻璃的第三步骤。

公开(公告)号：WO2012117686A1

公开(公告)日：2012-09-07

申请号：PCT/JP2012/001101

申请日：2012-02-20

Applicant: CANON KABUSHIKI KAISHA ,  KOKETSU, Naoyuki ,  ZHANG, Zuyi ,  KOTANI, Yoshinori ,  SUGIYAMA, Akira ,  TAKASHIMA, Kenji

Inventor： KOKETSU, Naoyuki ,  ZHANG, Zuyi ,  KOTANI, Yoshinori ,  SUGIYAMA, Akira ,  TAKASHIMA, Kenji

IPC: C03C11/00 ,  C03B32/00

CPC classification number: C03C11/005 ,  C03B32/00

Abstract: A method for manufacturing a porous glass includes: forming a phase-separated glass by heating at a temperature in a range of 300 to 500 degrees Celsius for 3 to 50 hours for phase separation of a glass body in which the concentration of SiO 2 is 50 to 70 percent by weight, the concentration of B 2 O 3 is 15 to 40 percent by weight, the concentration of Li 2 O is 1.0 to 8.0 percent by weight, the concentration of Na 2 O is 2.0 to 8.0 percent by weight, the concentration of K 2 O is 0.3 to 5.0 percent by weight, the total concentration of Li 2 O, Na 2 O, and K 2 O is 3.5 to 15 percent by weight, and the ratio of the concentration of K 2 O to the total concentration of Li 2 O, Na 2 O, and K 2 O is 0.10 to 0.30; and forming a porous glass by etching the phase-separated glass.

Abstract translation: 制造多孔玻璃的方法包括：通过在300〜500℃的温度范围内加热3〜50小时来形成相分离玻璃，使SiO 2的浓度为50的玻璃体的相分离为50〜 70重量％，B 2 O 3的浓度为15〜40重量％，Li 2 O的浓度为1.0〜8.0重量％，Na 2 O的浓度为2.0〜8.0重量％，K 2 O的浓度为0.3〜5.0重量％ ，Li2O，Na2O，K2O的总浓度为3.5〜15重量％，K2O的浓度与Li 2 O，Na 2 O，K 2 O的总浓度的比例为0.10〜0.30， 并通过蚀刻相分离的玻璃形成多孔玻璃。

公开(公告)号：WO2012074080A1

公开(公告)日：2012-06-07

申请号：PCT/JP2011/077877

申请日：2011-11-25

Applicant: CANON KABUSHIKI KAISHA ,  TAKASHIMA, Kenji ,  ZHANG, Zuyi ,  KOTANI, Yoshinori ,  SUGIYAMA, Akira ,  KOKETSU, Naoyuki

Inventor： TAKASHIMA, Kenji ,  ZHANG, Zuyi ,  KOTANI, Yoshinori ,  SUGIYAMA, Akira ,  KOKETSU, Naoyuki

IPC: C03C11/00 ,  C03C15/00 ,  C03C21/00 ,  C03B32/00

CPC classification number: C03C11/005 ,  C03B32/00 ,  C03C15/00 ,  C03C21/002 ,  C03C21/005

Abstract: To provide a method of manufacturing a porous glass in which the porosity decreases as a function of the distance from the surface in the direction of depth. A method of manufacturing a porous glass includes a step of bringing one or more than one ion species selected from silver ion, potassium ion and lithium ion into contact with a matrix glass containing borosilicate glass as main ingredient and heating the matrix glass to form a glass body having an ion concentration distribution with a concentration of the one or more than one ion species decreasing as a function of a distance from a surface in a direction of depth, a step of heating and phase-separating the glass body to form a phase-separated glass, and a step of etching the phase-separated glass to form a porous glass having a porosity decreasing as the function of the distance from the surface in the direction of depth.

Abstract translation: 提供一种多孔玻璃的制造方法，其中孔隙率随深度方向距表面的距离而减小。 制造多孔玻璃的方法包括：将选自银离子，钾离子和锂离子的一种或多于一种的离子种类与含有硼硅酸盐玻璃的基质玻璃作为主要成分接触，并加热基质玻璃以形成玻璃 具有一个或多于一个离子种类的浓度的离子浓度分布的物质作为与深度方向上的表面的距离的函数减小;加热和相分离玻璃体的步骤， 分离玻璃，以及蚀刻相分离玻璃以形成孔隙率随深度方向距离表面的距离的函数而减小的步骤。