Patents by Inventor Moon Young Jin
Moon Young Jin 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: 9451736Abstract: The present invention relates to a high load and high precision polygonal guide, and to a picker actuator using same, wherein the polygonal guide includes: an integrated ball cage designed and formed in a polygon and having a plurality of ball receiving holes formed on each side of the polygonal ball cage for receiving balls; a housing having a polygonal through hole for rolling motion such that, after the balls are inserted into the ball receiving holes formed on each side of the polygonal ball cage, the balls cannot escape from the ball receiving holes; and a guide post inserted and fitted inside the polygonal ball cage into which the balls are inserted and fitted, whereby the guide post or the housing reciprocates in a straight line by the rolling motion of the balls.Type: GrantFiled: January 5, 2012Date of Patent: September 20, 2016Assignee: Samick Precision Ind. Co., Ltd.Inventors: Moon-young Jin, Choong-rae Cho, Min-seok Hong
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Publication number: 20140237812Abstract: The present invention relates to a high load and high precision polygonal guide, and to a picker actuator using same, wherein the polygonal guide includes: an integrated ball cage designed and formed in a polygon and having a plurality of ball receiving holes formed on each side of the polygonal ball cage for receiving balls; a housing having a polygonal through hole for rolling motion such that, after the balls are inserted into the ball receiving holes formed on each side of the polygonal ball cage, the balls cannot escape from the ball receiving holes; and a guide post inserted and fitted inside the polygonal ball cage into which the balls are inserted and fitted, whereby the guide post or the housing reciprocates in a straight line by the rolling motion of the balls.Type: ApplicationFiled: January 5, 2012Publication date: August 28, 2014Inventors: Moon-young Jin, Choong-rae Cho, Min-seok Hong
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Patent number: 6914147Abstract: The present invention relates to polyalkylene oxide porogens having hyper-branches and low dielectric-constant insulators using them. More particularly, the present invention relates to polyalkylene oxide porogens having hyper-branches expressed by the following formula (1), where the polyalkylene oxide porogen has a center molecular (D) having branches (W), and low dielectric-constant insulators having nanopores prepared by coating a mixture of the porogen and a high heat-resistant resin such as polysilsesquioxane and thermal treating the coated substrate at a temperature effective to degrade the porogen.Type: GrantFiled: April 9, 2002Date of Patent: July 5, 2005Assignee: Korea Research Institute of Chemical TechnologyInventors: Changjin Lee, Yongku Kang, Jong Goo Kang, Hee Jung Kim, Moon Young Jin, Sang Il Seok, Kookheon Char, Sang-Hyun Chu
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Patent number: 6582879Abstract: The present invention relates to a reactive photo acid-generating agent and a heat-resistant photoresist composition comprising the same. In particularly, the present invention relates to the heat-resistant photoresist composition comprising the photo acid-generating agent expressed by the following formula (1), which can increase the degree of polymerization, and polyamide oligomers having acetal or its cyclized derivatives, which have an ability of that light-exposed area is dissolved in the developer and light-unexposed area is convertible to a heat-resistant polymer in the latter heating process and thus, it can be used for passivation layer, buffer coat or layer-insulating film of the multilayer printed circuit board, wherein and R are the same as defined in the detailed description of the Invention.Type: GrantFiled: March 27, 2001Date of Patent: June 24, 2003Assignee: Korea Research Institute of Chemical TechnologyInventors: Kil-Yeong Choi, Moon Young Jin, Jong Chan Won, Sang Yeol Choi
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Publication number: 20030078443Abstract: The present invention relates to polyalkylene oxide porogens having hyper-branches and low dielectric-constant insulators using them. More particularly, the present invention relates to polyalkylene oxide porogens having hyper-branches expressed by the following formula (1), where the polyalkylene oxide porogen has a center molecular (D) having branches (W), and low dielectric-constant insulators having nanopores prepared by coating a mixture of the porogen and a high heat-resistant resin such as polysilsesquioxane and thermal treating the coated substrate at a temperature effective to degrade the porogen.Type: ApplicationFiled: April 9, 2002Publication date: April 24, 2003Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Changjin Lee, Yongku Kang, Jong Goo Kang, Hee Jung Kim, Moon Young Jin, Sang Il Seok, Kookheon Char, Sang-Hyun Chu
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Publication number: 20030064315Abstract: The present invention relates to a reactive photo acid-generating agent and a heat-resistant photoresist composition comprising the same.Type: ApplicationFiled: March 27, 2001Publication date: April 3, 2003Applicant: Korea Research Institute of Chemical TechnologyInventors: Kil-Yeong Choi, Moon Young Jin, Jong Chan Won, Sang Yeol Choi
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Patent number: 6433184Abstract: The present invention relates to polyamide-imides having head-to-tail backbone and more particularly, to polyamide-imimdes having head-to-tail ragularity to provide excellent heat and chemical resistance, physical and mechanical properties, processability, and gas permeability and selectivity.Type: GrantFiled: June 28, 2000Date of Patent: August 13, 2002Assignee: Korea Research Institute of Chemical TechnologyInventors: Kil-Yeong Choi, Jae Heung Lee, Young-Taik Hong, Moon Young Jin, Kyoung-Su Choi, Ho-Jin Park
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Patent number: 6162893Abstract: The invention herein relates to a soluble polyimide resin having a dialkyl substituent for a liquid alignment layer, wherein aliphatic tetracarboxylic dianhydride and aromatic diamine having a dialkyl substituent are used to yield said soluble polyimide resin which has superior heat-resistance, solubility, transparency, and liquid crystal alignment capacity. According to the present invention, the soluble polyimide polymer having a dialkyl substituent, for a liquid crystal alignment layer, comprising the following a repetitive unit of formula 1: ##STR1## Consequently, the polyimide resin under the present invention not only has superior heat-resistance but also excellent solubility and transparency, which could be applicable as a liquid crystal alignment layer for the TFT-LCD requiring a low temperature processing.Type: GrantFiled: August 24, 1998Date of Patent: December 19, 2000Assignee: Korea Research Institute of Chemical TechnologyInventors: Kil-Yeong Choi, Mi-Hie Yi, Moon-Young Jin, Jin-Tae Jung, Jae-Geun Park, Dae-Woo Ihm
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Patent number: 6046303Abstract: The invention herein relates to a soluble polyimide resin for a liquid crystal alignment layer and the manufacturing method thereof, wherein a mixture of aliphatic tetracarboxylic acid dianhydrides and aromatic diamine having aliphatic side chains are used to yield a soluble polyimide resin which has superior heat-resistance, solubility, surface hardness, transparency and liquid crystal alignment capacity.The soluble polyimide resin having alkoxy substituents, for a liquid crystal layer, according to the present invention, is manufactured by adding a mixture of dioxotetrahydrofuran 3-methylcyclohexene-1,2-dicarboxylic dianhydride, which is an aliphatic tetracarboxylic acid dianhydride and aromatic tetracarboxylic acid dianhydride to a mixture of aromatic diamine, and said dioxotetrahydrofuran 3-methylcyclohexene- 1,2-dicarboxylic dianhydride is used in the amount of 50 to 99 mol % to the total amount of anhydrides.Type: GrantFiled: September 11, 1998Date of Patent: April 4, 2000Assignee: Korea Research Institute of Chemical TechnologyInventors: Kil-Yeong Choi, Mi-Hie Yi, Moon-Young Jin, Jin-Tae Jung, Jeong-Ghi Koo, Jae-Eun Cho
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Patent number: 6013760Abstract: The invention herein relates to a soluble polyimide resin for a liquid crystal alignment layer and the process of preparation of the same, wherein aliphatic tetracarboxylic dianhydride and aromatic diamine having the amide group are used to yield a novel form of a polyimide resin having superior heat-resistance, solubility, transparency, and liquid crystal alignment capacity.More specifically, the invention herein relates to a novel polyimide resin having excellent heat-resistance, solubility, liquid crystal alignment property, and high pretilt angle, which is prepared by means of jointly using the aromatic diamine, used for the preparation of the conventional polyimide resin, and the aromatic diamine having a long alkyl chain with a substituted amide group, and reacting the same with various types of carboxylic dianhydride.Type: GrantFiled: May 29, 1998Date of Patent: January 11, 2000Assignee: Korea Research Institute of Chemical TechnologyInventors: Kil-Yeong Choi, Mi-Hie Yi, Moon-Young Jin, Dae-Woo Ihm, Jae-Min Oh
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Patent number: 5955568Abstract: The disclosure describes a process for preparing a polyamideimide resin having high molecular weight in a simple manner wherein major problems of the prior processes such as low heat resistance and low melt flowability are improved. The process comprises condensation of an aromatic tricarboxylic acid anhydride and an aromatic diamine in a polar solvent, subjecting the resulting diimidedicarboxylic acid to acyl halogenating agent treatment to give an intermediate having good reactivity at low temperature, and then subjecting the latter to direct polymerization by using diamine as a nucleophilic agent to give a polyamideimide resin having high molecular weight. The polyamideimide resin prepared by the present invention can be used as major heat resistant structural material in advanced industries and as paint, sheet, adhesives, sliding material, fiber and film having heat resistance.Type: GrantFiled: October 23, 1997Date of Patent: September 21, 1999Assignee: Korea Research Institute of Chemical TechnologyInventors: Kil-Yeong Choi, Dong-Hack Suh, Mi-Hie Yi, Young-Taik Hong, Moon-Young Jin
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Patent number: 5824766Abstract: A polyamideamic acid resin prepolymer represented by formula A having isophorone diamine as one of monomers, ##STR1## in which k, l, m and n are integer of 1 or more, respectively, and ##EQU1## --R-- is at least one group selected from the group consisting of ##STR2## --R'-- is a cis- and trans-conformational mixture of ##STR3## high heat resistant polyamideimide foam produced therefrom, and processes for producing them are disclosed.Type: GrantFiled: January 16, 1996Date of Patent: October 20, 1998Assignee: Korea Research Institute of Chemical TechnologyInventors: Kil-Yeong Choi, Mi-Hie Yi, Moon-Young Jin, Young-Taik Hong
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Patent number: 5693744Abstract: An amorphous polyamide represented by the formula(2) ##STR1## in which each R is at least one alkylene radical having 1 to 10 carbon atoms, R' is an electron acceptor group represented by the formula(3), ##STR2## wherein Y is --C.tbd.N, --NO.sub.2, --SO.sub.2 --R(R.dbd.C.sub.n H.sub.2n+1, n=1 to 20 alkyl derivatives), ##STR3## R" is at least one aliphatic or aromatic divalent group having 2 to 20 carbon atoms, and n is an integer of more than 3, having second order nonlinear optical property, and a method for preparing the polymer by the polycondensation of dicarboxylic acid derivative, having second order nonlinear optical property in its side chain, with diamine are disclosed.Type: GrantFiled: June 21, 1995Date of Patent: December 2, 1997Assignee: Korea Research Institute of Chemical TechnologyInventors: Kil Yeong Choi, Moon Young Jin, Young Wun Kim
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Patent number: 5521276Abstract: Polyamideimide resins having the formula (I) ##STR1## in which repeating units are bound in a head to tail or head to head manner,R is at least two divalent groups selected from the group consisting of ##STR2## (cis-, trans- conformational mixture) wherein one divalent group is ##STR3## group in a PAI molecule, produced by introducing isophorone diamine into the conventional aromatic polyamideimide resins.Type: GrantFiled: June 22, 1994Date of Patent: May 28, 1996Assignee: Korea Research Institute of Chemical TechnologyInventors: Kil-Yeong Choi, Mi-Hie Yi, Jae-Heung Lee, Moon-Young Jin, Young-Taik Hong