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公开(公告)号：US20210221737A1
公开(公告)日：2021-07-22
申请号：US17059044
申请日：2019-04-15
Inventor： Takeshi SHIMIZU , Masataka NONAKA , Haruhiko ISHIKAWA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE
Abstract: A glass panel unit manufacturing method includes a bonding step, an insertion step, an evacuation step, and a sealing step. The bonding step includes bonding a first substrate having an evacuation port and a second substrate with a bonding material having a frame shape to form an internal space. The insertion step includes inserting a sealing material into the evacuation port. The evacuation step includes evacuating the internal space by connecting an exhaust device to the evacuation port and driving the exhaust device. The sealing step includes sealing the evacuation port with the sealing material while an evacuated state in the internal space is maintained. In the sealing step, a measured value by a pressure gauge is monitored while the sealing material is heated, softening of the sealing material is detected based on the transition of the measured value, and heating of the sealing material is stopped.
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公开(公告)号：US20210381302A1
公开(公告)日：2021-12-09
申请号：US17283858
申请日：2019-08-27
Inventor： Kenji HASEGAWA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: A glass panel unit includes: a first panel including a glass pane; a second panel including another glass pane; a sealing portion; an exhaust port; and a printed portion. The second panel is arranged to face the first panel. The sealing portion is formed in a frame shape and hermetically bonds respective peripheral edge portions of the first and second panels to create an evacuated, hermetically sealed space between the first panel and the second panel. The exhaust port is provided for one panel selected from the first and second panels. A port sealing member hermetically seals the exhaust port. The printed portion is provided for the other panel selected from the first and second panels. The printed portion is located in an area, facing the exhaust port, of one surface of the other panel. The one surface either faces toward, or faces away from, the hermetically sealed space.
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公开(公告)号：US20210270084A1
公开(公告)日：2021-09-02
申请号：US17258267
申请日：2019-06-19
Inventor： Hiroyuki ABE , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: A method for manufacturing a glass panel unit includes an assembling step, a bonding step, a gas exhausting step, a sealing step, and an activating step. The bonding step includes melting a peripheral wall in a baking furnace at a first predetermined temperature to hermetically bond a first glass pane and a second glass pane together with the peripheral wall thus melted. The gas exhausting step includes exhausting a gas from an internal space through an exhaust port in the baking furnace to turn the internal space into a vacuum space. The sealing step includes locally heating to a temperature higher than a second predetermined temperature, and thereby melting, either a port sealing material or an exhaust pipe to seal the exhaust port and thereby obtain a work in progress. The activating step includes activating a gas adsorbent after the sealing step to obtain a glass panel unit.
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公开(公告)号：US20210238088A1
公开(公告)日：2021-08-05
申请号：US16625559
申请日：2018-06-19
Inventor： Hiroyuki ABE , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: A gas adsorption unit includes a getter, a package encapsulating the getter, and a low-melting member. The low-melting member is heated, and thereby melted, at a temperature lower than a melting point of the package to bond a connector including the low-melting member onto the package. Next, the low-melting member that has melted is cooled and cured. Then, thermal stress resulting from a difference in thermal expansion coefficient between the package and the connector is caused to the package connected to the connector, thereby breaking the package open.
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公开(公告)号：US20210207427A1
公开(公告)日：2021-07-08
申请号：US17059009
申请日：2019-04-15
Inventor： Takeshi SHIMIZU , Masataka NONAKA , Haruhiko ISHIKAWA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE
Abstract: A glass panel unit manufacturing method includes a bonding step, an insertion step, an evacuation step, and a sealing step. The bonding step includes bonding a first substrate having an evacuation port and a second substrate together with a bonding material provided between the first substrate and the second substrate and having a frame shape to form an internal space. The insertion step includes inserting a sealing material into the evacuation port. The evacuation step includes evacuating the internal space through the exhaust passage. The sealing step includes deforming the sealing material by heating while an evacuated state in the internal space is maintained. In a state where the sealing material blocks ventilation between the evacuation port and the internal space, gas is supplied through the exhaust passage toward the evacuation port.
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Patent Agency Ranking
公开(公告)号：US20200181013A1
公开(公告)日：2020-06-11
申请号：US16622211
申请日：2018-06-19
Inventor： Tasuku ISHIBASHI , Eiichi URIU , Kazuya HASEGAWA , Hiroyuki ABE , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: The method for manufacturing the gas adsorption unit includes a preparation step, an activation step, and a sealing step. The preparation step is a step of wrapping a getter with a package material. The activation step is a step of heating the getter wrapped with the package material to activate the getter. The sealing step is a step of melting the package material by heating the package material so as to seal, with the package material, the getter activated in the activation step.
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公开(公告)号：US20190084878A1
公开(公告)日：2019-03-21
申请号：US16084822
申请日：2017-03-27
Inventor： Masataka NONAKA , Eiichi URIU , Takeshi SHIMIZU , Haruhiko ISHIKAWA , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE
IPC: C03C27/06
Abstract: A glass panel unit manufacturing method includes a bonding step, a pressure reducing step, and a sealing step. The bonding step includes bonding together a first substrate including a wired glass pane and a second substrate including a non-wired glass pane with a first sealant in a frame shape to create an inner space. The pressure reducing step includes producing a reduced pressure in the inner space through an exhaust port that the first substrate has. The sealing step includes irradiating the second sealant with an infrared ray externally incident through the second substrate to seal the exhaust port up with the second sealant that has melted.
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公开(公告)号：US20220243527A1
公开(公告)日：2022-08-04
申请号：US17618533
申请日：2020-06-16
Inventor： Hiroyuki ABE , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: A method for manufacturing a glass panel unit includes a working step, an assembling step, a bonding step, and a gas exhausting step. The working step includes a getter material making step including obtaining a getter material containing a zeolite and a cerium compound. The assembling step includes preparing an assembly. The bonding step includes melting a peripheral wall to hermetically bond a first glass pane and a second glass pane. The gas exhausting step includes exhausting a gas from an internal space through an exhaust port to turn the internal space into a vacuum space.
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9.发明申请公开(公告)号：US20210178525A1
公开(公告)日：2021-06-17
申请号：US17052677
申请日：2019-05-16
Inventor： Masataka NONAKA , Eiichi URIU , Takeshi SHIMIZU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE , Haruhiko ISHIKAWA
Abstract: A pillar delivery method is a method for delivering a plurality of pillars onto a substrate, including a glass panel, to manufacture a glass panel unit. The pillar delivery method includes an irradiation step, a holding step, and a mounting step. The irradiation step includes setting, over a holder, a sheet for use to form pillars and irradiating the sheet with a laser beam to punch out the plurality of pillars. The holding step includes having the plurality of pillars, which have been punched out of the sheet, held by the holder. The mounting step includes picking up some or all of the plurality of pillars from the holder and mounting the pillars onto the substrate.
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公开(公告)号：US20210147291A1
公开(公告)日：2021-05-20
申请号：US17044480
申请日：2019-03-08
Inventor： Masataka NONAKA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: A glass panel unit includes: a pair of glass panels arranged to face each other; and a frame member disposed between the pair of glass panels to hermetically bond the pair of glass panels together. The frame member includes: a body; and a reinforcing portion. The body has a frame shape and includes: a first part containing a first sealing material having a first softening point; and a second part containing a second sealing material having a second softening point that is higher than the first softening point. The reinforcing portion contains a third sealing material having a third softening point that is higher than the first softening point. The reinforcing portion is adjacent to the first part in a space surrounded with the pair of glass panels and the body.
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