公开(公告)号：US20240274803A1

公开(公告)日：2024-08-15

申请号：US18566928

申请日：2022-05-31

Applicant: SHIN-ETSU CHEMICAL CO., LTD.

Inventor： Shintarou TSUKIGATA ,  Mahiro YOSHIOKA ,  Tetsuya OTOSAKA

IPC: H01M4/36 ,  H01M4/02 ,  H01M4/48 ,  H01M4/583 ,  H01M10/0525

CPC classification number: H01M4/366 ,  H01M4/483 ,  H01M4/583 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027

Abstract: A negative electrode active material including silicon monoxide particles coated with a carbon coating and doped with lithium, wherein the silicon monoxide particles satisfy that, in volumetric basis distribution measured with a laser-diffraction method particle size distribution measurement device, an integrated value of a relative amount of particles having a particle size of 1 μm or less is 1% or less, an integrated value of a relative amount of particles having a particle size of 5 μm or less is 20% or less, and an accumulative 50%-particle-size D50 satisfies 6.0 μm≤D50≤15.0 μm. This provides a negative electrode active material that can improve cycle characteristics while keeping high first efficiency when used as the negative electrode active material for a negative electrode of a secondary battery.

公开(公告)号：US20190292088A1

公开(公告)日：2019-09-26

申请号：US16357457

申请日：2019-03-19

Applicant: Shin-Etsu Chemical Co., Ltd.

Inventor： Masashi KINO ,  Takuya TOGASHI ,  Tetsuya OTOSAKA

IPC: C03B37/012

Abstract: To provide a method of sintering an optical fiber porous glass base material, capable of sufficient dehydration and reducing a transmission loss caused by residual moisture by efficiently transferring heat from the heater to the base material during a process in dehydration/sintering for an optical fiber porous glass base material, a porous glass base material having a heat shield plate installed in a vicinity of a lower end is vertically inserted into a furnace core tube provided with a heater along an outer circumference, and heating using the heater is performed. The heat shield plate has an outer diameter which is 70% or larger than a diameter of the porous glass base material and smaller than an inner diameter of the furnace core tube.

公开(公告)号：US20160280583A1

公开(公告)日：2016-09-29

申请号：US15080467

申请日：2016-03-24

Applicant: Shin-Etsu Chemical Co., Ltd.

Inventor： Kazuya UCHIDA ,  Tetsuya OTOSAKA

IPC: C03B37/012 ,  C03B19/06

CPC classification number: C03B37/0146 ,  C03B2205/81

Abstract: A sintering apparatus for sintering a porous glass base material, including a furnace core tube surrounded by heaters, the furnace core tube housing the porous glass base material; a lid member having an insertion hole through which a holding rod coupled with the porous glass base material is inserted, the lid member mounted at one end of the furnace core tube; a sealing chamber having a supply port that introduces seal gas and a discharging port that discharges the seal gas, the sealing chamber provided at the lid member covering the insertion hole; and a cylindrical member that causes a pressure difference between gas inside of the tube of an inside the furnace core tube and gas inside of the sealing chamber to be generated while the holding rod is inserted through the cylindrical member inside of the sealing chamber.

Abstract translation: 一种用于烧结多孔玻璃基材的烧结装置，包括由加热器包围的炉芯管，所述炉芯管容纳多孔玻璃基材; 盖构件，其具有插入孔，与多孔玻璃基材连接的保持杆通过该插入孔插入，盖构件安装在炉芯管的一端; 密封室，其具有引入密封气体的供给口和排出密封气体的排出口，所述密封室设置在覆盖所述插入孔的所述盖构件上; 以及在保持杆插入通过密封室内部的筒状构件的同时，在炉芯管内部的管内部的气体与密封室内的气体之间产生压力差的筒状构件。

公开(公告)号：US20190112217A1

公开(公告)日：2019-04-18

申请号：US16147886

申请日：2018-10-01

Applicant: Shin-Etsu Chemical Co., Ltd.

Inventor： Tetsuya OTOSAKA

IPC: C03B37/018 ,  C03B37/083 ,  C03B37/085

CPC classification number: C03B37/01815 ,  C03B37/0142 ,  C03B37/083 ,  C03B37/085 ,  C03B2207/02 ,  C03B2207/08 ,  C03B2207/14 ,  C03B2207/20 ,  C03B2207/26 ,  C03B2207/30 ,  C03B2207/38 ,  C03B2207/42 ,  C03B2207/52

Abstract: A burner for synthesization to synthesize glass particles that form a porous glass base material is provided, the burner for synthesization including a raw material gas injection portion to inject raw material gas toward a target, a combustion assisting gas injection portion to inject combustion assisting gas in a direction in which the combustion assisting gas is merged with the raw material gas at a first merging point, and a combustible gas injection portion to inject combustible gas in a direction in which the combustible gas is merged with the combustion assisting gas at a second merging point that is positioned closer to the combustion assisting gas injection portion than the first merging point. In the above-described burner for synthesization, the combustion assisting gas injection portion may also include a plurality of injection ports arranged along one straight line.

公开(公告)号：US20170087642A1

公开(公告)日：2017-03-30

申请号：US15273726

申请日：2016-09-23

Applicant: Shin-Etsu Chemical Co., Ltd.

Inventor： Yusuke KASHIWAGI ,  Tetsuya OTOSAKA

IPC: B23B31/163

CPC classification number: B23B31/16004 ,  B23B31/16008 ,  B23B2226/18 ,  B23B2231/22 ,  C03B37/01486 ,  C03B37/01884 ,  C03B37/02736

Abstract: A gripping mechanism includes: a plurality of chuck claws that, when having come close to each other, generate a gripping force on a gripped body; a chuck body that holds the plurality of chuck claws on a common planar surface, and moves them on the planar surface; and a plurality of chuck plates that, when each of the plurality of chuck claws grips the gripped body, are interposed between each of the plurality of chuck claws and the gripped body, wherein a thermal expansion coefficient αl of the plurality of chuck claws, a thermal expansion coefficient α2 of the plurality of chuck plates and a thermal expansion coefficient αW of the gripped body has a relationship indicated by Equation 1: αW

公开(公告)号：US20160185646A1

公开(公告)日：2016-06-30

申请号：US14960938

申请日：2015-12-07

Applicant: SHIN-ETSU CHEMICAL CO., LTD.

Inventor： Tetsuya OTOSAKA

IPC: C03B23/09 ,  C03B37/025

CPC classification number: C03B37/01251 ,  C03B2205/47

Abstract: In a method of forming a conical shape on a glass rod including an effective portion and an ineffective portion adjoining the effective portion to form a conical shape in the effective portion by simultaneously heating a boundary and the vicinity of the boundary between the effective portion and the ineffective portion and pulling an end of the ineffective portion, the temperature of a heater is raised and a heating target on the glass rod is simultaneously moved from the ineffective portion to the boundary.

Abstract translation: 在通过同时加热有效部分与有效部分之间的边界附近的边界和边界附近的有效部分和与有效部分相邻的无效部分形成圆锥形的方法中， 无效部分和拉动无效部分的一端，加热器的温度升高，并且玻璃棒上的加热目标同时从无效部分移动到边界。

公开(公告)号：US20150218031A1

公开(公告)日：2015-08-06

申请号：US14609437

申请日：2015-01-30

Applicant: SHIN-ETSU CHEMICAL CO., LTD.

Inventor： Tetsuya OTOSAKA

IPC: C03B23/045 ,  G05B19/18

CPC classification number: C03B23/045 ,  C03B23/047 ,  C03B37/01242 ,  C03B37/01257 ,  G05B19/182

Abstract: To prevent constriction machining from reducing usage efficiency of a glass rod, provided is a glass rod machining method including softening of softening a portion of the glass rod by heating the portion of the glass rod, and constricting of forming a constricted shape in the glass rod by moving one end of the glass rod relative to the other end of the glass rod at a constriction speed satisfying a condition that a constriction load acting as a tensile force on the glass rod does not extend beyond a predetermined range. In this method, the constricting includes, when constriction speed increases, making an adjustment to decrease a heating temperature of the glass rod. This method may include determining of determining the heating temperature of the glass rod during the constricting by referencing a heating temperature table in which heating temperatures corresponding to the constriction speed are stored in advance.

Abstract translation: 为了防止收缩加工降低玻璃棒的使用效率，提供了一种玻璃棒加工方法，其包括通过加热玻璃棒的一部分来软化一部分玻璃棒，并且在玻璃棒中形成收缩形状的收缩 通过使玻璃棒的一端相对于玻璃棒的另一端以收缩速度移动，该收缩速度满足作为玻璃棒上的拉伸力的收缩载荷不超过预定范围的条件。 在该方法中，收缩包括当收缩速度增加时进行调整以降低玻璃棒的加热温度。 该方法可以包括通过参考预先存储与收缩速度对应的加热温度的加热温度表来确定收缩期间玻璃棒的加热温度。

公开(公告)号：US20130186148A1

公开(公告)日：2013-07-25

申请号：US13743353

申请日：2013-01-17

Applicant: SHIN-ETSU CHEMICAL CO., LTD.

Inventor： Tetsuya OTOSAKA

IPC: C03B37/15

CPC classification number: C03B37/15 ,  C03B37/0124 ,  C03B37/0126 ,  Y02P40/57

Abstract: Provided is a glass base material elongating method of using a glass base material elongation apparatus including a heating furnace, a feeding mechanism, and a pulling mechanism to elongate the rod-shaped glass base material to form a thinner glass rod, the method comprising gripping a pulling dummy rod connected to a bottom end of the glass base material with first pulling rollers of the pulling mechanism and, together with the feeding mechanism, feeding the glass base material to the heating furnace; and before a pulling force necessary for pulling the pulling dummy rod to elongate the glass base material reaches a load force that causes slipping between the pulling dummy rod and the first pulling rollers, gripping and pulling the pulling dummy rod with second pulling rollers of the pulling mechanism in addition to the first pulling rollers.

Abstract translation: 本发明提供一种使用包括加热炉，进料机构和拉动机构的玻璃基材伸长装置的玻璃基材延长方法，以拉长杆状玻璃基材以形成较薄的玻璃棒，该方法包括： 拉拔虚拟棒，其与拉动机构的第一牵引辊连接到玻璃基材的底端，并与进给机构一起将玻璃基材输送到加热炉; 并且在拉动拉拔虚拟棒以拉长玻璃基材所需的拉力之前达到引起拉拔虚拟棒和第一牵引辊之间滑动的负载力，用牵引的第二牵引辊抓住并拉动拉动的虚拟杆 机构除了第一拉辊。

公开(公告)号：US20170275199A1

公开(公告)日：2017-09-28

申请号：US15466875

申请日：2017-03-23

Applicant: Shin-Etsu Chemical Co., Ltd.

Inventor： Tetsuya OTOSAKA

IPC: C03B37/025

CPC classification number: C03B37/0253 ,  C03B37/02736 ,  C03B37/029 ,  C03B37/032 ,  C03B2205/10 ,  C03B2205/80 ,  C03B2205/82 ,  C03B2205/90 ,  C03B2205/96 ,  Y02P40/57

Abstract: To restrict deterioration of non-circularity in a constricted portion of an optical fiber preform, provided is an optical fiber preform manufacturing method including introducing inert gas along a surface of the optical fiber preform, causing the inert gas to circulate around the optical fiber preform with an axis of the optical fiber preform in a longitudinal direction as a center, and heating the optical fiber preform in an inert gas environment. In this manufacturing method, the inert gas may be introduced in a direction parallel to a tangent line of the optical fiber preform in a plane orthogonal to the axis.

公开(公告)号：US20140097567A1

公开(公告)日：2014-04-10

申请号：US14042738

申请日：2013-10-01

Applicant: Shin-Etsu Chemical Co., Ltd.

Inventor： Tetsuya OTOSAKA

IPC: C03B37/014

CPC classification number: C03B37/01486 ,  C03B37/0126 ,  C03B37/02736 ,  Y10T29/49998

Abstract: Provided is a glass base material hanging mechanism that, when hanging a starting member or a glass base material, can tightly (solidly) connect the hanging shaft tube and the hanging component and can vertically align the hanging component and the center of the glass base material.

Abstract translation: 提供一种玻璃基材悬挂机构，当悬挂起始构件或玻璃基材时，可以紧密（牢固地）连接悬挂轴管和悬挂部件，并且可以垂直地对准悬挂部件和玻璃基材的中心 。