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1. 发明专利

JP2009263228A Method for producing preform for press forming, production device, and method for producing optical element 有权
标题翻译：用于制造用于压制成型的预制件的方法，生产装置和用于生产光学元件的方法
公开(公告)号：JP2009263228A
公开(公告)日：2009-11-12
申请号：JP2009153881
申请日：2009-06-29
申请人： Hoya Corp , Hoya株式会社
发明人： NIIKUMA YOSHIKANE , YOSHIDA MASAHIRO , ZOU XUELU
IPC分类号： C03B11/00 , C03B7/14 , C03B11/02
CPC分类号： C03B7/12
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a preform for press forming of high quality free from radial surface striae, to provide a production device therefor using the method, and to provide a method for producing an optical element where the preform is subjected to precision press forming.
SOLUTION: The method for producing a preform for press forming comprises a process where molten glass is made to flow out from an outflow pipe 1, so as to separate a molten glass gob, and the obtained molten glass gob is formed into a preform on a forming die 2. A gas is blown against the molten glass gob on the forming die from the upper part and/or the oblique upper part from a first air-cooled nozzle 3, and the cooling of the surface on the side exposed to the atmosphere in the glass gob is promoted. In the method for producing an optical element, the preform made of the glass produced by the method is heated, and is subjected to precise press forming using a press forming die.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题的方法：提供一种用于生产不具有径向表面条纹的高质量的冲压成形用预成型体的方法，提供一种使用该方法的制造装置，提供一种光学元件的制造方法，其中，预成型件进行精密冲压成型。解决方案：用于压制成形用预成型体的制造方法包括使熔融玻璃从流出管1流出的工序，分离熔融玻璃料滴，将得到的熔融玻璃料滴形成为在成型模具2上预成形。将气体从第一空气冷却喷嘴3从上部和/或倾斜上部吹向成形模具上的熔融玻璃料滴，并且暴露在侧面上的表面的冷却在玻璃料滴中的气氛得到提升。在制造光学元件的方法中，将由该方法制造的玻璃制成的预制件加热，并使用冲压成型模进行精确的冲压成形。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2007197283A Method for producing glass material for molding, glass material, and method for producing glass optical element 有权
标题翻译：用于制造用于成型的玻璃材料的方法，玻璃材料和用于生产玻璃光学元件的方法
公开(公告)号：JP2007197283A
公开(公告)日：2007-08-09
申请号：JP2006020150
申请日：2006-01-30
申请人： Hoya Corp , Hoya株式会社
发明人： SAWADA HIROYUKI , IKENISHI MIKIO , YAMASHITA TERUO , YOSHIDA MASAHIRO
IPC分类号： C03B19/10 , C03B11/00 , C03B25/02 , C03C3/17 , C03C3/19 , C03C3/21 , C03C3/247 , C03C19/00 , G02B1/02
CPC分类号： H04M1/72561 , H04M1/2745
摘要： PROBLEM TO BE SOLVED: To provide a method for producing glass materials for molding, by which a plurality of glass materials or a glass material group each having a constant shape and a constant glass volume can be produced in a high production efficiency and a high yield even if the glass materials each have a high coefficient of thermal expansion or a small volume; and to provide a method for producing glass optical elements, by which the glass optical elements can be produced in a high production efficiency by using the glass materials or the glass materials constituting the glass material group.
SOLUTION: The method for producing the glass materials for molding comprises sequentially dropping molten glass of optical glass having an average coefficient αh of linear expansion within a temperature range of 100-300°C of ≥120×10
-7 /°C into a receiving mold from a flow-out pipe or separating the melt while allowing it to flow down, preparing a plurality of pre-formed glass preform spheres by cooling, performing a heat-treatment comprising heating the glass preform spheres to a temperature within a range of (transition temperature -80°C) to (transition temperature +50°C) and then cooling the preform spheres, and removing at least one part or the whole of the surface of each glass sphere subjected to the heat-treatment by mechanical processing to obtain precise glass spheres. The method for producing the glass optical elements comprises press molding the glass materials produced by the method in a heated and softened state by using a molding mold.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题的方案：提供一种生产用于成型的玻璃材料的方法，通过该方法可以以高生产效率生产具有恒定形状和恒定玻璃体积的多个玻璃材料或玻璃材料组，即使玻璃材料各自具有高的热膨胀系数或小的体积也能获得高的产量; 并且提供一种制造玻璃光学元件的方法，通过使用构成玻璃材料组的玻璃材料或玻璃材料，能够以高生产率制造玻璃光学元件。＆lt; P＆gt;解决方案：用于制造用于成型的玻璃材料的方法包括：将具有线性膨胀的平均系数αh的玻璃的平均系数αh在100-300℃的温度范围内依次滴加≥120×10 -7 /°C从流出管道进入接收模具或分离熔体同时使其流下，通过冷却制备多个预成型的玻璃预制体球体，进行热处理，包括加热玻璃预成型体球体到（转变温度-80℃）至（转变温度+ 50℃）范围内的温度，然后冷却预制球体，并且去除每个玻璃球体的至少一部分或全部表面通过机械加工进行热处理以获得精确的玻璃球。制造玻璃光学元件的方法包括通过使用模制模具将由该方法制造的玻璃材料以加热和软化的状态进行压制成型。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007045696A Method of manufacturing preform for press molding and molding apparatus, preform for press molding and method of manufacturing optical device 有权
标题翻译：制造用于压制成型和成型装置的预制件的方法，用于压制成形的预制件和制造光学装置的方法
公开(公告)号：JP2007045696A
公开(公告)日：2007-02-22
申请号：JP2006114292
申请日：2006-04-18
申请人： Hoya Corp , Hoya株式会社
发明人： NIIKUMA YOSHIKANE , UTSUKI KATSUMI , YOSHIDA MASAHIRO
IPC分类号： C03B11/00
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a preform for press molding and a molding apparatus by which the preform having a shape suitable for press molding is manufactured directly from molten glass with high productivity, the preform for press molding which has a relatively large volume and front and back surfaces respectively having nearly equal curvature and is directly molded from the molten glass and a method of manufacturing an optical device by which the optical device is manufactured with high productivity. SOLUTION: The method of manufacturing the preform for press molding is carried out by supplying molten glass gob on a mold and piling up at least the center area of the molten glass gob and molding. The piling up operation is carried out by arranging a nozzle having a gas jetting port at the tip above the molten glass gob and jetting a gas radially toward the more outer side than the center area from the gas jetting port or by arranging a nozzle having a gas jetting port at the tip above the molten glass gob and jetting the gas from the gas jetting port to locally reduce the pressure of the atmosphere in the vicinity of the center area. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造用于压制成型的预成型件的方法和具有适于加压成型的形状的预成型件的成型装置，其通过高生产率从熔融玻璃直接制造，用于加压成型的预成型件具有相当大的体积，前表面和后表面分别具有几乎相等的曲率并且由熔融玻璃直接模制，以及制造光学装置的方法，通过该方法以高生产率制造光学装置。制造用于压制成型的预成型体的方法是通过将熔融玻璃料滴供给到模具上并堆积至少熔融玻璃料滴的中心区域并成型而进行的。通过在熔融玻璃料滴上方设置具有气体喷射口的喷嘴，并且从气体喷射口径向朝向比中心区域更外侧的气体喷射气体，或者通过配置具有在熔融玻璃料滴上方的尖端处的气体喷射口，并且从气体喷射口喷射气体，以局部地减小中心区域附近的气氛压力。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2011016719A Method for producing preform for precision press molding, and method for producing optical element 有权
标题翻译：用于生产用于精密压制成型的预制件的方法，以及用于生产光学元件的方法
公开(公告)号：JP2011016719A
公开(公告)日：2011-01-27
申请号：JP2010199210
申请日：2010-09-06
申请人： Hoya Corp , Hoya株式会社
发明人： KAMISAKI ATSUSHI , YOSHIDA MASAHIRO , UTSUKI KATSUMI
IPC分类号： C03B11/12 , C03B11/00 , G02B1/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a preform stably by preventing fusion of glass to a shaping surface of shaping dies and adhesion of glass volatile matters in hot shaping in which the dies are used repeatedly, and to provide a method for producing an optical element at a high productivity by precisely press-forming the preform.SOLUTION: The method for producing the preform for precision press molding comprises a process of casting molten glass flowing out from a nozzle outlet onto a shaping die, a process of shaping the molten glass to a preform while floating the glass on a shaping surface of the shaping die with a gas jetting from the shaping surface of the die, a process of removing the preform from the die, and a process of casting new molten glass onto the die from which the preform is removed, wherein the above processes are repeated by circulating a plurality of shaping dies. At least a part of the shaping surface of the die is forced to be cooled between the processes of removing the preform and casting new molten glass. The method for producing the optical element comprises heating the preform produced by the above method and subjecting the heated preform to precision press molding.
摘要翻译：要解决的问题：提供一种通过防止玻璃与成型模具的成形表面的熔合以及玻璃挥发物在热成形中的粘合而稳定地制造预成型的方法，其中多次使用模具，并提供一种生产方法通过精确地压制成型预成型体，以高的生产率提供光学元件。解决方案：用于制造精密加压成型用预成型体的方法包括将从喷嘴出口流出的熔融玻璃浇铸到成型模具上的工序，将玻璃熔融到预成型件上，同时将玻璃漂浮在成型模具的成型表面上，其中从模具的成形表面喷射的气体，从模具中去除预型件的过程以及将新的熔融玻璃浇铸到模具上从中去除预成型件，其中通过循环多个成形模具来重复上述过程。模具的成型表面的至少一部分被迫在去除预型件和铸造新的熔融玻璃的过程之间被冷却。制造光学元件的方法包括加热通过上述方法制备的预制件，并对经加热的预制件进行精密的压制成形。

5. 发明专利

JP2006232584A Apparatus and method for manufacturing glass gob and method for manufacturing optical element 有权
标题翻译：用于制造玻璃GOB的装置和方法以及制造光学元件的方法
公开(公告)号：JP2006232584A
公开(公告)日：2006-09-07
申请号：JP2005046538
申请日：2005-02-23
申请人： Hoya Corp , Hoya株式会社
发明人： YOSHIDA MASAHIRO
IPC分类号： C03B11/02 , C03B11/00
CPC分类号： C03B19/02 , C03B7/12 , C03B40/04 , C03B2215/66
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and a method for manufacturing a glass gob which is reduced in striae in a hot forming method.
SOLUTION: The apparatus for manufacturing the glass gob is provided with a plurality of gob forming molds and a transport device for the gob forming molds. In the apparatus, the plurality of gob-forming molds are circulated and transported to a casting area via the casting area, a forming area, and a taking-out area, and the glass gobs are mass-produced by sequentially and repeatedly performing steps of casting molten glass, forming the molten glass into a glass gob, and taking-out of the glass gob for each gob-forming mold during transporting each gob forming mold. Further, the apparatus has an atmosphere control mechanism for independently controlling the atmosphere on the gob forming mold in the casting area, the forming area, or the taking-out area to the atmosphere of at least one other area or for partitioning the forming area into a plurality of partitions and independently controlling the atmosphere, to which the glass on the gob forming mold is exposed, in at least one partition of the plurality of partitions to the atmospheres of at least one other partition and/or at least one other area.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：提供一种在热成型方法中减少条纹的玻璃料滴的制造装置和方法。
解决方案：用于制造玻璃料滴的装置设置有多个料滴形成模具和用于料滴成形模具的输送装置。在该装置中，多个料滴形成用模具通过铸造区域，成形区域和取出区域循环输送到铸造区域，并且玻璃料块通过依次重复地进行步骤铸造熔融玻璃，将熔融玻璃形成玻璃料滴，以及在运送每个料滴形成模具期间，为每个成粒模具取出玻璃料滴。此外，该装置具有气氛控制机构，用于独立地控制铸造区域，成形区域或取出区域中的料滴形成模具上的气氛至至少另一个区域的大气，或者用于将成形区域分成多个分隔件并且独立地控制所述多个分区中至少一个其它分区和/或至少一个其它区域的气氛中的所述多个分区中的至少一个分区中暴露于所述料滴形成模具上的玻璃的气氛。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005263586A Fused glass outflow pipe, manufacturing method of preform for precision press, and manufacturing method of optical element 有权
标题翻译：熔融玻璃流出管，精密压力预制件的制造方法和光学元件的制造方法
公开(公告)号：JP2005263586A
公开(公告)日：2005-09-29
申请号：JP2004081129
申请日：2004-03-19
申请人： Hoya Corp , Hoya株式会社
发明人： YOSHIDA MASAHIRO , NIIKUMA YOSHIKANE
IPC分类号： C03B11/00 , C03B7/088
CPC分类号： C03B7/088
摘要： PROBLEM TO BE SOLVED: To provide a novel means with which a preform for precision press molding is manufactured while controlling the generation of striae caused by wet-rising of fused glass at the tip of an outflow port, and a method of manufacturing a high-quality optical element from the preform thus obtained. SOLUTION: The outflow pipe forms a fused glass block from fused glass flowing out. The fused glass block is formed at the outflow port at the tip of the outflow pipe. The outflow pipe has a step part at its tip; the outer diameter of the step part is smaller than that of the outflow pipe next to the step part; and the length of the step part is such that the wet-rising melt glass contacts with the lower end of the step part and at least a part of the fused glass wet-rising on the outer wall of the step part can be temporarily united with fused glass drops which are formed at the tip of the outflow pipe and are not yet separated. In the manufacturing method of a preform for precision press molding, a plurarity of glass blocks are consecutively formed by repeatedly separating a definite mass of the fused glass block flowing out of the outflow port of the outflow pipe. The manufacturing method of an optical element uses the preform for a precision press molding. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种新型的方法，通过该方法制造用于精密加压成型的预成型件，同时控制由流出口的尖端处的熔融玻璃的湿上升引起的条纹的产生，以及制造方法来自预制件的高品质光学元件。
解决方案：流出管从流出的熔融玻璃形成熔融玻璃块。熔融玻璃块形成在流出管的顶端的流出口处。流出管在其尖端具有台阶部分; 台阶部的外径小于台阶部旁边的流出管的外径。并且台阶部的长度使得湿升温熔融玻璃与台阶部的下端接触，并且在台阶部的外壁上湿润上升的熔融玻璃的至少一部分可以暂时与形成在流出管的顶端处并且尚未分离的熔融玻璃滴。在精密加压成形用预成型体的制造方法中，通过反复分离从流出管的流出口流出的熔融玻璃块的一定质量，连续地形成多个玻璃块。光学元件的制造方法使用预成型件进行精密加压成型。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005075687A Method of manufacturing preform for precision press molding, preform for precision press molding, optical device and method of manufacturing the same 有权
标题翻译：用于精密压制成型的预制件的制造方法，用于精密压制成形的预制件，光学装置及其制造方法
公开(公告)号：JP2005075687A
公开(公告)日：2005-03-24
申请号：JP2003308599
申请日：2003-09-01
申请人： Hoya Corp , Hoya株式会社
发明人： YOSHIDA MASAHIRO , SUU GAKUROKU , NIIKUMA YOSHIKANE
IPC分类号： C03B11/00 , C03B7/12 , C03B7/14 , C03B19/10 , C03B40/04 , C03C3/062 , C03C3/064 , C03C3/066 , C03C3/068 , C03C3/247
CPC分类号： C03B19/1055 , C03B7/12 , C03B7/14 , C03B40/04 , Y02P40/57
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a high quality glass made preform for precision press molding, the preform for precision press molding and an optical device. SOLUTION: In the method of manufacturing the preform for precision press molding by separating a fixed quantity of molten glass lump from molten glass flowing out from a flow out port of a flow out pipe, applying wind pressure to the glass lump and forming into the glass made preform while floating the glass lump, there are 3 kinds of methods of manufacturing the preform for precision press molding such as a process that the molten glass is directly supported by receiving the tip of the molten glass stream with a molten glass supporting body arranged below the flow out pipe and the molten glass lump is separated from the tip of the molten glass stream by removing the support by the molten glass supporting body is carried out in a tightly closed space filled with a non-oxidizing gas atmosphere. The preform for the precise press molding comprises a Bi-containing fluorophosphate glass the whole surface of which is formed by solidifying the molten glass. The optical device is fired by precisely press molding the preform manufactured by the above method. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种制造用于精密加压成型的高品质玻璃制成型预成型件的方法，用于精密加压成型的预成型件和光学装置。解决方案：在通过从流出管的流出口流出的熔融玻璃中分离固定量的熔融玻璃块来制造精密加压成型用预成型体的方法中，对玻璃块施加风压并形成在漂浮玻璃块的同时进入玻璃制成的预制件中，有三种制造用于精密压制成型的预成型件的方法，例如熔融玻璃直接通过用熔融玻璃支撑接收熔融玻璃流的尖端来直接支撑通过从熔融玻璃支撑体移除支撑体而将熔融玻璃块与熔融玻璃流的顶端分离的主体在填充有非氧化性气体气氛的紧密封闭的空间中进行。用于精确压制成型的预成型件包括通过使熔融玻璃凝固而形成的Bi含氟磷酸盐玻璃。通过精确地压制通过上述方法制造的预制件来烧制光学装置。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2005015301A Method for manufacturing glass formed article, and method for manufacturing optical element 有权
标题翻译：制造玻璃制品的方法和制造光学元件的方法
公开(公告)号：JP2005015301A
公开(公告)日：2005-01-20
申请号：JP2003185071
申请日：2003-06-27
申请人： Hoya Corp , Hoya株式会社
发明人： YOSHIDA MASAHIRO , NIIKUMA YOSHIKANE , SUU GAKUROKU
IPC分类号： G02B1/02 , C03B7/12 , C03B11/00 , C03B19/10
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a glass formed article having high quality and high mass accuracy; and to provide a method for manufacturing an optical element, which comprises manufacturing the glass formed article having high quality and high mass accuracy, and then heating and precisely press-forming the glass formed article.
SOLUTION: In the method for manufacturing the glass formed article, comprising dropping a molten glass drop from a flow-out pipe, then receiving the glass drop with a forming die jetting a gas, and shaping the glass drop while floating it, the flow-out pipe is shielded from the gas jetted from the forming die by arranging a shield object or a support in such a manner that the shield object or the support intersects the dropping path of the molten glass drop, and at the same time, in the case of the shield object, the shield object is removed from the dropping path synchronously with dropping of molten glass drop, or in the case of the support, after directly receiving the molten glass drop with the support, the molten glass mass is received with the forming die by removing the support, and is formed. Further, the optical element is manufactured by subjecting the glass preform obtained by one of ways above to precision press-forming.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有高质量和高质量精度的玻璃成型制品的制造方法; 并且提供一种制造光学元件的方法，其包括制造具有高质量和高质量精度的玻璃成型制品，然后加热并精确地压制成型玻璃制品。解决方案：在制造玻璃成形品的方法中，包括从流出管中滴下熔融的玻璃滴，然后用喷射气体的成型模头接收玻璃滴，并在浮起玻璃液滴的同时成形玻璃滴，通过以屏蔽物体或支撑体与熔融玻璃液滴的滴落路径相交的方式布置屏蔽物体或支撑体，将流出管屏蔽到从成形模具喷射的气体，同时，在屏蔽物体的情况下，屏蔽物体与玻璃熔滴落下同步地从滴落路径移除，或者在支撑体的情况下，在用支撑体直接接收熔融玻璃液滴之后，接收熔融玻璃块通过移除支撑件而形成成型模具。此外，通过将通过上述方法获得的玻璃预制件进行精密冲压成形来制造光学元件。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2011126779A Preform for press molding and method for producing optical element 有权
标题翻译：用于压制成形的预制件和用于制造光学元件的方法
公开(公告)号：JP2011126779A
公开(公告)日：2011-06-30
申请号：JP2011048140
申请日：2011-03-04
申请人： Hoya Corp , Hoya株式会社
发明人： NIIKUMA YOSHIKANE , UTSUKI KATSUMI , YOSHIDA MASAHIRO
IPC分类号： C03B11/00 , G02B3/00
摘要： PROBLEM TO BE SOLVED: To provide a preform for press molding, which has comparatively large volume, and front and back surfaces each having the nearly equal curvature and is molded directly from molten glass, and to provide a method for producing an optical element with high productivity.
SOLUTION: The glass-made preform for press molding is a rotationally symmetric body having one axis of rotational symmetry and has the maximum thickness along the axis of the rotational symmetry. A plane including one of two intersection points of the axis of the rotational symmetry with the surface of the rotationally symmetric body is defined as the first plane and another plane including the other of two intersection points is defined as the second plane. A circle is drawn on each of the first plane and the second plane by using the intersection point as the center thereof and one third of the outside diameter as the diameter thereof. A shape of the inside of the circle is projected into the outside as a projection. The glass-made preform for press molding satisfies 2×|R
1 -R
2 |/(R
1 +R
2 )≤30% (wherein R
1 is the curvature radius of the inside of the circle on the first plane; R
2 is the curvature radius of the inside of the circle on the second plane), has 0.4-0.7 ratio of the maximum thickness to the outside diameter and 400-3,500 mm
3 volume and is molded at the step of cooling a molten glass gob.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种体积相对较大的压制成形用预制件，以及各自具有几乎相等曲率的前表面和后表面，并且由熔融玻璃直接模制，并提供一种用于制造光学元素高生产率。解决方案：用于压制成型的玻璃制预制件是具有一个旋转对称轴的旋转对称体，并具有沿旋转对称轴的最大厚度。将包括与旋转对称体的表面的旋转对称轴的两个交点中的一个的平面定义为第一平面，将包括两个交点中的另一个的另一平面定义为第二平面。以交点为中心，三分之一外径作为直径，在第一平面和第二平面的每一个上绘制圆。圆的内部的形状作为突起投影到外部。用于压制成型的玻璃制预成型件满足2×¾R≤S/（R 1 + R 2 ）≤30％（其中R 1 是第一平面上圆的内部的曲率半径; R SB> 2 是内部的曲率半径在第二平面上的圆），具有最大厚度与外径的0.4-0.7比率和400-3,500mm 3 体积，并且在冷却熔融玻璃料滴的步骤中模制。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2008285413A Processes for the production of glass article and optical device 审中-公开
标题翻译：玻璃制品和光学装置的生产工艺
公开(公告)号：JP2008285413A
公开(公告)日：2008-11-27
申请号：JP2008214010
申请日：2008-08-22
申请人： Hoya Corp , Hoya株式会社
发明人： MURAKAMI AKIRA , UTSUKI KATSUMI , IGUCHI YOSHINORI , YOSHIDA MASAHIRO , NIIKUMA YOSHIKANE , WATABE ATSUSHI
IPC分类号： C03B19/00 , C03B11/00 , G02B1/00
CPC分类号： Y02P40/57
摘要： PROBLEM TO BE SOLVED: To provide a process for stably and efficiently producing quality glass articles such as preforms at high yields, and a process for producing an optical device from the preform obtained by the process. SOLUTION: In the process for producing a glass article, molten glass gobs having a predetermined weight each are poured, or molten glass drops having a predetermined weight each are dropped through a nozzle, into a boiling liquid having a boiling point lower than the glass transition temperature of the glass constituting the glass article or a liquid which is temperature-adjusted beforehand so as to be caused to boil by the amount of heat of the glass, to form glass articles. In the process for producing an optical device, a preform obtained by the process is softened by heating and precision-press-molded into the optical device. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种以高产率稳定有效地生产优质玻璃制品如预型件的方法，以及由该方法获得的预成型件制造光学装置的方法。解决方案：在制造玻璃制品的方法中，将具有预定重量的熔融玻璃料滴倒入，或将具有预定重量的熔融玻璃滴通过喷嘴滴入沸点低于构成玻璃制品的玻璃的玻璃化转变温度或预先进行温度调节的液体，以使玻璃的热量沸腾，形成玻璃制品。在制造光学元件的方法中，将通过该加工得到的预成型体通过加热软化，精密加压成型为光学元件。版权所有（C）2009，JPO＆INPIT

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