Patents by Inventor Cai-Lin Guo
Cai-Lin Guo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9666400Abstract: A field emission electron source includes a linear carbon nanotube structure, an insulating layer and at least one conductive ring. The linear carbon nanotube structure has a first end and a second end. The insulating layer is located on outer surface of the linear carbon nanotube structure. The first conductive ring includes a first ring face 1301 and a second ring face, an end surface of the linear carbon nanotube structure, and the first ring face are coplanar.Type: GrantFiled: December 18, 2012Date of Patent: May 30, 2017Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Cai-Lin Guo, Jie Tang, Peng Liu, Shou-Shan Fan
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Patent number: 9184016Abstract: A field emission cathode device includes a cathode electrode. An electron emitter is electrically connected to the cathode electrode, wherein the electron emitter includes a number of sub-electron emitters. An electron extracting electrode is spaced from the cathode electrode by a dielectric layer, wherein the electron extracting electrode defines a through-hole. The distances between an end of each of the sub-electron emitters away from the cathode electrode and a sidewall of the through-hole are substantially equal.Type: GrantFiled: April 23, 2013Date of Patent: November 10, 2015Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Peng Liu, Chun-Hai Zhang, Duan-Liang Zhou, Bing-Chu Du, Cai-Lin Guo, Pi-Jin Chen, Shou-Shan Fan
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Publication number: 20140159566Abstract: A field emission cathode device includes a cathode electrode. An electron emitter is electrically connected to the cathode electrode, wherein the electron emitter includes a number of sub-electron emitters. An electron extracting electrode is spaced from the cathode electrode by a dielectric layer, wherein the electron extracting electrode defines a through-hole. The distances between an end of each of the sub-electron emitters away from the cathode electrode and a sidewall of the through-hole are substantially equal.Type: ApplicationFiled: April 23, 2013Publication date: June 12, 2014Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: PENG LIU, CHUN-HAI ZHANG, DUAN-LIANG ZHOU, BING-CHU DU, CAI-LIN GUO, PI-JIN CHEN, SHOU-SHAN FAN
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Patent number: 8727827Abstract: A method for making field emission electron source comprises following steps. An insulating layer is coated on outer surface of a linear carbon nanotube structure. A field emission electron source preform is formed by locating a plurality of conductive ring on outer surface of the insulating layer, wherein the plurality of conductive ring is space from each other, and each conductive ring comprises a first ring face and a second ring face opposite to the first ring face. A plurality of field emission electron source is formed by cutting off the plurality of conductive ring, the insulating layer, and the linear carbon nanotube structure, wherein each field emission electron source comprises at least one conductive ring, and a ring face of the conductive ring, end surface of the insulating layer, and end surface of the linear carbon nanotube structure are coplanar.Type: GrantFiled: December 18, 2012Date of Patent: May 20, 2014Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Cai-Lin Guo, Jie Tang, Peng Liu, Shou-Shan Fan
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Publication number: 20140099852Abstract: A method for making field emission electron source comprises following steps. An insulating layer is coated on outer surface of a linear carbon nanotube structure. A field emission electron source preform is formed by locating a plurality of conductive ring on outer surface of the insulating layer, wherein the plurality of conductive ring is space from each other, and each conductive ring comprises a first ring face and a second ring face opposite to the first ring face. A plurality of field emission electron source is formed by cutting off the plurality of conductive ring, the insulating layer, and the linear carbon nanotube structure, wherein each field emission electron source comprises at least one conductive ring, and a ring face of the conductive ring, end surface of the insulating layer, and end surface of the linear carbon nanotube structure are coplanar.Type: ApplicationFiled: December 18, 2012Publication date: April 10, 2014Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: CAI-LIN GUO, JIE TANG, PENG LIU, SHOU-SHAN FAN
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Publication number: 20140097741Abstract: A field emission electron source includes a linear carbon nanotube structure, an insulating layer and at least one conductive ring. The linear carbon nanotube structure has a first end and a second end. The insulating layer is located on outer surface of the linear carbon nanotube structure. The first conductive ring includes a first ring face 1301 and a second ring face, an end surface of the linear carbon nanotube structure, and the first ring face are coplanar.Type: ApplicationFiled: December 18, 2012Publication date: April 10, 2014Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: CAI-LIN GUO, JIE TANG, PENG LIU, SHOU-SHAN FAN
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Patent number: 8669696Abstract: A field emission electron source array includes a number of field emission electron sources aligned side by side. Each field emission electron source includes a linear carbon nanotube structure, an insulating layer and a conductive ring. The linear carbon nanotube structure has a first end and a second end. The insulating layer is coated on an outer surface of the linear carbon nanotube structure. The first conductive ring includes a first ring face and a second ring face, and the first ring face is coplanar with an end surface of the first end of the linear carbon nanotube structure.Type: GrantFiled: December 18, 2012Date of Patent: March 11, 2014Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Cai-Lin Guo, Jie Tang, Peng Liu, Shou-Shan Fan
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Patent number: 8662951Abstract: A method for making field emission electron source array includes following steps. An insulating layer is coated on outer surface of a linear carbon nanotube structure. A field emission electron source preform is formed by locating a plurality of conductive rings on outer surface of the insulating layer, wherein the plurality of conductive rings is space from each other, and each conductive ring comprises a first ring face and a second ring face opposite to the first ring face. A field emission electron source array preform is formed by aligning a plurality of field emission electron source performs side by side. The field emission electron source array preform is severed to form a plurality of field emission electron arrays by cutting the plurality of conductive rings.Type: GrantFiled: December 18, 2012Date of Patent: March 4, 2014Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Cai-Lin Guo, Jie Tang, Peng Liu, Shou-Shan Fan
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Patent number: 8484932Abstract: A method for establishing a vacuum in a container includes the following steps. The container having an exhaust through hole defined therein is provided. A sealing cover including a connecting material located on the periphery of the sealing cover is provided. The sealing cover is spaced from the exhaust through hole for form at least gaps between the sealing cover and the exhaust through hole. A vacuum is established in the container. The connecting material is heated. The sealing cover covers the exhaust through hole and the connecting material is cooled. After that the container is packaged.Type: GrantFiled: May 7, 2009Date of Patent: July 16, 2013Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Pi-jin Chen, Cai-Lin Guo, Bing-chu Du, Liang Liu, Shou-Shan Fan
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Patent number: 8253314Abstract: An ion source using a field emission device is provided. The field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode.Type: GrantFiled: December 3, 2010Date of Patent: August 28, 2012Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Duan-Liang Zhou, Pi-Jin Chen, Zhao-Fu Hu, Cai-Lin Guo, Bing-Chu Du, Shou-Shan Fan
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Patent number: 8246413Abstract: A method for making a field emission device includes the following steps. An insulative substrate is provided. An electron pulling electrode is formed on the insulative substrate. A secondary electron emission layer is formed on the electron pulling electrode. A first dielectric layer is fabricated. The first dielectric layer has a second opening to expose the secondary electron emission layer. A cathode plate having an electron output portion is provided. An electron emission layer is formed on part surface of the cathode plate. The cathode plate is placed on the first dielectric layer. The electron output portion and the second opening have at least one part overlapped, and at least one part of the electron emission layer is oriented to the secondary electron emission layer via the second opening.Type: GrantFiled: December 3, 2010Date of Patent: August 21, 2012Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Duan-Liang Zhou, Pi-Jin Chen, Zhao-Fu Hu, Cai-Lin Guo, Bing-Chu Du, Shou-Shan Fan
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Patent number: 8237347Abstract: A field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode.Type: GrantFiled: December 3, 2010Date of Patent: August 7, 2012Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Duan-Liang Zhou, Pi-Jin Chen, Zhao-Fu Hu, Cai-Lin Guo, Bing-Chu Du, Shou-Shan Fan
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Publication number: 20120007490Abstract: An ion source using a field emission device is provided. The field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode.Type: ApplicationFiled: December 3, 2010Publication date: January 12, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: PENG LIU, DUAN-LIANG ZHOU, PI-JIN CHEN, ZHAO-FU HU, CAI-LIN GUO, BING-CHU DU, SHOU-SHAN FAN
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Patent number: 8087219Abstract: A vacuum packaging system for packaging a vacuum apparatus includes a first accommodating room, a second container, a vacuum room, a first hatch, a second hatch, a delivery apparatus, a discharge device, and a heating apparatus. The delivery apparatus transports the vacuum apparatus from the first accommodating room to the vacuum room to the second accommodating room. The discharge device discharges a sealing element to seal an exhaust through hole of the vacuum apparatus. The heating apparatus is mounted on the inner wall of the vacuum room between the second hatch and the transport pipeline to heat and soften the sealing element.Type: GrantFiled: May 21, 2009Date of Patent: January 3, 2012Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Pi-Jin Chen, Bing-Chu Du, Cai-Lin Guo, Liang Liu, Shou-Shan Fan
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Publication number: 20110287684Abstract: A method for making a field emission device includes the following steps. An insulative substrate is provided. An electron pulling electrode is formed on the insulative substrate. A secondary electron emission layer is formed on the electron pulling electrode. A first dielectric layer is fabricated. The first dielectric layer has a second opening to expose the secondary electron emission layer. A cathode plate having an electron output portion is provided. An electron emission layer is formed on part surface of the cathode plate. The cathode plate is placed on the first dielectric layer. The electron output portion and the second opening have at least one part overlapped, and at least one part of the electron emission layer is oriented to the secondary electron emission layer via the second opening.Type: ApplicationFiled: December 3, 2010Publication date: November 24, 2011Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: PENG LIU, DUAN-LIANG ZHOU, PI-JIN CHEN, ZHAO-FU HU, CAI-LIN GUO, BING-CHU DU, SHOU-SHAN FAN
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Publication number: 20110285271Abstract: A field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode.Type: ApplicationFiled: December 3, 2010Publication date: November 24, 2011Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: PENG LIU, DUAN-LIANG ZHOU, PI-JIN CHEN, ZHAO-FU HU, CAI-LIN GUO, BING-CHU DU, SHOU-SHAN FAN
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Patent number: 8042319Abstract: A vacuum packaging system includes a vacuum room, a delivery apparatus, a discharge device, a second heating apparatus. The delivery apparatus transport the pre-packaged container into the vacuum room. The discharge device discharges a sealing material to seal an exhaust through hole of the pre-packaged container. The discharge device includes a vessel configured for containing sealing material, a transport pipeline, a first heating, and a controlling element. The first heating apparatus softens the sealing material into viscous liquid. The second heating apparatus is mounted on the inner wall of the vacuum room between the second hatch and the transport pipeline.Type: GrantFiled: May 21, 2009Date of Patent: October 25, 2011Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Pi-Jin Chen, Bing-Chu Du, Cai-Lin Guo, Liang Liu, Shou-Shan Fan
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Patent number: 7966787Abstract: A method for packaging the vacuum device includes providing a pre-packaged container having an exhaust through hole defined therein and a sealing element placed into the exhaust through hole, pumping the pre-packaged container to create a vacuum, heating and softening the sealing element to seal the exhaust through hole, and cooling the melted low-melting glass to package the pre-packaged container.Type: GrantFiled: June 8, 2009Date of Patent: June 28, 2011Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Cai-Lin Guo, Peng Liu, Pi-Jin Chen, Bing-Chu Du, Liang Liu, Shou-Shan Fan
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Patent number: 7814773Abstract: A reference leak (10) includes a first substrate (20), a second substrate (40) disposed and bonded on the first substrate, and predetermined numbers of leak channels (14) defined in at least one of the first and second substrates. Oblique walls of the leak channels are formed by crystal planes of the at least one of the first and second substrates, the oblique walls thereby being aligned according to such crystal planes. A method for making a reference leak is also provided.Type: GrantFiled: February 24, 2006Date of Patent: October 19, 2010Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Liang Liu, Shuai-Ping Ge, Zhao-Fu Hu, Bing-Chu Du, Cai-Lin Guo, Pi-Jin Chen, Shou-Shan Fan
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Patent number: 7812513Abstract: An exemplary field emission cathode includes an electrically conductive layer and an electron-emitting member formed thereon. The electron-emitting member includes an electron-emitting material configured for emitting electrons and a getter material configured for collecting outgassed materials. An exemplary planar light source includes an anode and a cathode spaced apart from the anode. The anode includes a first electrically conductive layer and a fluorescent layer formed on an inner surface of the first electrically conductive layer. The cathode includes a second electrically conductive layer and an electron-emitting member formed on an inner surface of the second electrically conductive layer which faces toward the fluorescent layer. The electron-emitting member includes an electron-emitting material and a getter material.Type: GrantFiled: May 19, 2006Date of Patent: October 12, 2010Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Cai-Lin Guo, Li Qian, Jie Tang, Liang Liu, Bing-Chu Du, Zhao-Fu Hu, Pi-Jin Chen, Shou-Shan Fan