Patents by Inventor Wen-Cheng Yang

Wen-Cheng Yang 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).

  • Publication number: 20210253895
    Abstract: An aqueous surface coating solution composition and a polyester film structure are provided. The aqueous surface coating solution composition includes 5-20 wt % of a resin composition and 0.15-5 wt % of an inorganic particle dispersion liquid. The resin composition includes 0.01-10 wt % of a polyester resin, 2-19 wt % of an acrylate-grafted polyurethane resin, and 0.5-10 wt % of a cross-linking agent. The inorganic particle dispersion liquid includes a plurality of first inorganic filling particles and a plurality of second inorganic filling particles, and the first inorganic filling particles have a larger average particle diameter than the second inorganic filling particles.
    Type: Application
    Filed: September 24, 2020
    Publication date: August 19, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHUN-CHE TSAO, WEN-JUI CHENG, CHIH-FU YEH
  • Publication number: 20210252844
    Abstract: A low oligomer modified polyester film capable of being easily extended and a method for manufacturing the same are provided. The modified polyester film includes a base layer and at least one skin layer formed on the base layer, each of which is formed from a polyester composition. The polyester composition includes 1 to 60 wt % of a blend resin, 0.02 to 2 wt % of an antioxidative ingredient, 0.003 to 2 wt % of a nucleation agent, and 0.003 to 2 wt % of a processing and flowing aid. The blend resin includes 90 to 99.9 phr of a polyester resin and 0.01 to 10 phr of an acrylic resin. The polyester resin has an intrinsic viscosity between 0.62 dl/g and 1.00 dl/g, and the acrylic resin has a weight average molecular weight (Mw) between 10,000 and 80,000.
    Type: Application
    Filed: September 30, 2020
    Publication date: August 19, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHING-YAO YUAN, Chia-Yen Hsiao
  • Publication number: 20210252845
    Abstract: A recyclable retort pouch and a recyclable retort polyester film thereof are provided. The recyclable retort polyester film includes a heat seal layer and at least one polyester layer. The heat seal layer is composed of isophthalic acid, neopentyl glycol, polybutylene terephthalate, 1,4-cyclohexanedimethanol, and polyethylene terephthalate-1,4-cyclohexane dimethanol ester. The polyester layer is formed on the heat seal layer, and is composed of a polyester composition. The polyester composition includes a polyester resin made from recycled PET bottle flakes processed by physical or chemical methods and the polyester resin has an inherent viscosity between 0.62 dl/g and 1.0 dl/g. The recyclable retort pouch is made of the recyclable retort polyester film.
    Type: Application
    Filed: September 30, 2020
    Publication date: August 19, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHING-YAO YUAN, Chia-Yen Hsiao
  • Publication number: 20210252768
    Abstract: A matte film for hot pressing and a manufacturing method thereof are provided. The manufacturing method includes steps of forming at least one polyester composition into an unstretched polyester thick film and stretching the unstretched polyester thick film in a machine direction (MD) and a transverse direction (TD). The polyester composition includes 81% to 97.9497% by weight of a polyester resin, 0.02% to 2% by weight of an antioxidative ingredient, 0.0003% to 1% by weight of a nucleating agent, 0.01% to 2% by weight of a flow aid, 0.01% to 2% by weight of a polyol ester based polyester modifier, 0.01% to 2% by weight of an inorganic polyester modifier, and 2% to 10% by weight of silica particles. The polyester resin has an intrinsic viscosity between 0.60 dl/g and 0.80 dl/g.
    Type: Application
    Filed: September 4, 2020
    Publication date: August 19, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, WEN-JUI CHENG, Chia-Yen Hsiao, Chien-Chih Lin
  • Publication number: 20210246262
    Abstract: A polyester film for being embossed with a laser-engraved pattern and a manufacturing method thereof are provided. The polyester film includes a substrate layer and at least one surface layer formed on the substrate layer. The surface layer serves as an easy-to-press embossed pattern layer, and is formed from a polyester-based copolymer. The polyester-based copolymer includes residues derived from a diacid component and residues derived from a diol component. The diacid component includes 85 to 95 mol % of terephthalic acid and 5 to 15 mol % of isophthalic acid. The diol component includes 35 to 74 mol % of ethylene glycol, 1 to 15 mol % of neopentyl glycol, and 25 to 50 mol % of 1,4-butanediol.
    Type: Application
    Filed: December 30, 2020
    Publication date: August 12, 2021
    Inventors: Te-Chao Liao, Wen-Cheng Yang, Wen-Jui Cheng, Chia-Yen Hsiao
  • Patent number: 11021603
    Abstract: A white polyester film with a specific weight of 0.6-1.2 has a three-layered structure containing two outer layers (A) having a combined thickness taking up 2% to 30% of an overall thickness of the film and a middle layer (B), and having air-bubble cells in both the outer layers (A) and the middle layer (B). The outer layers (A) are formed from a polyester resin and inorganic particles. The middle layer (B) is formed of a polyester resin, modified polypropylene resin having a heat distortion temperature above 120° C. and a melt flow index (MI) of 0.2-1 g/10 minutes (at 230° C., with a load of 2.16 kg) via crosslinking with 0.1-3 wt % of peroxide with respect to the weight of the polypropylene resin, and inorganic particles.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: June 1, 2021
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Wen-Cheng Yang, Chun-Che Tsao, Chia-Yen Hsiao, Chih-Feng Wang
  • Publication number: 20210096229
    Abstract: A target measurement device is provided. The target measurement device includes a fixing ring, a main body, and a transceiver. The fixing ring has a first surface. The main body is over the first surface of the fixing ring. The transceiver is coupled to the main body. The transceiver is at least movable between a center of the fixing ring to an edge of the fixing ring from a top view perspective. A method for measuring a target is also provided.
    Type: Application
    Filed: June 19, 2020
    Publication date: April 1, 2021
    Inventors: PRADIP GIRDHAR CHAUDHARI, CHE-HUI LEE, CHIH-CHENG WEI, WEN-CHENG YANG, CHYI-TSONG NI
  • Publication number: 20210086489
    Abstract: A biaxially stretched polyester film and a method for producing the same are provided. The biaxially stretched polyester film includes a polyester resin base layer and a matte layer. The polyester resin base layer includes: (1) 50 to 95 wt % of a polyester resin base material, and an intrinsic viscosity of the polyester resin base material being between 0.5 and 0.8 dL/g; and (2) 0.01 to 5 wt % of a high viscosity polyester resin material, and an intrinsic viscosity of the high viscosity polyester resin material being between 0.9 and 1.1 dL/g. The matte layer includes: (1) 50 to 95 wt % of a polyester resin matrix material, and an intrinsic viscosity of the polyester resin matrix material being between 0.5 and 0.8 dL/g; and (2) 0.3 to 40 wt % of a plurality of filler particles, and the filler particles having an average particle size of between 0.15 ?m and 10 ?m.
    Type: Application
    Filed: September 4, 2020
    Publication date: March 25, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, HAO-SHENG CHEN, Chia-Yen Hsiao
  • Publication number: 20210053331
    Abstract: A biaxially stretched polyester film and a method for producing the same are provided. The biaxially stretched polyester film includes a polyester resin base layer and a matte layer formed on the polyester resin base layer. The matte layer has a total weight of 100 wt %, and the matte layer includes: (1) 50 to 95 wt % of a polyester resin matrix, an intrinsic viscosity of the polyester resin matrix being between 0.5 and 0.8 dL/g; (2) 0.01 to 5 wt % of a high viscosity polyester resin, an intrinsic viscosity of the high viscosity polyester resin being between 0.9 and 1.1 dL/g; (3) 0.3 to 40 wt % of a plurality of filler particles, the filler particles having an average particle size of between 0.15 and 10 ?m.
    Type: Application
    Filed: February 10, 2020
    Publication date: February 25, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, HAO-SHENG CHEN, Chia-Yen Hsiao
  • Publication number: 20210053267
    Abstract: A polyester film and a method for producing the same are provided. The polyester film includes a heat resistant layer. The heat resistant layer includes a high temperature resistant resin material and a polyester resin material. The high temperature resistant resin material and the polyester resin material are melted and kneaded with each other via a twin screw granulator. The twin-screw granulator has a twin-screw temperature between 250° C. and 320° C., and the twin-screw granulator has a twin-screw rotation speed between 300 rpm and 800 rpm, so that the high temperature resistant resin material is dispersed in the polyester resin material with a particle size of between 50 nm and 200 nm.
    Type: Application
    Filed: April 3, 2020
    Publication date: February 25, 2021
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, HAO-SHENG CHEN, Chien-Chih Lin
  • Publication number: 20210047493
    Abstract: A polyester film and a method for manufacturing the polyester film are provided. The method for manufacturing a polyester film by using a recycled plastic material includes the following steps. A part of the recycled plastic material is physically reproduced to obtain a physically regenerated polyester resin. Another part of the recycled plastic material is chemically reproduced to obtain a chemically regenerated polyester resin. A polyester composition including the physically regenerated polyester resin and the chemically regenerated polyester resin is prepared. Based on a total weight of the polyester composition being 100 wt %, a weight of the chemically regenerated polyester resin is larger than or equal to 5 wt %. The polyester film is manufactured by using the polyester composition. Based on a total weight of the polyester film being 100 wt %, a total amount of the physically regenerated polyester resin and the chemically regenerated polyester resin is from 10 wt % to 100 wt %.
    Type: Application
    Filed: February 20, 2020
    Publication date: February 18, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHING-YAO YUAN, Yu-Chi Hsieh, Chia-Yen Hsiao
  • Patent number: 10811263
    Abstract: A method for forming a semiconductor device structure is provided. The method includes disposing a semiconductor substrate in a physical vapor deposition (PVD) chamber and introducing a plasma-forming gas into the PVD chamber. The plasma-forming gas is an oxygen-containing gas. The method also includes applying a radio frequency (RF) power by a power source to a metal target in the PVD chamber to excite the plasma-forming gas to generate plasma. The metal target is directly electrically coupled to the power source. The method further includes directing the plasma towards the metal target positioned in the PVD chamber such that an etch stop layer is formed over the semiconductor substrate.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: October 20, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ya-Ling Lee, Shing-Chyang Pan, Keng-Chu Lin, Wen-Cheng Yang, Chih-Tsung Lee, Victor Y. Lu
  • Publication number: 20200216661
    Abstract: A white polyester film, having a specific weight of 0.6-1.2, being a three-layered structure containing two outer layers (A) having a combined thickness taking up 2% to 30% of an overall thickness of the film and a middle layer (B), and having air-bubble cells in both the outer layers (A) and the middle layer (B), has the outer layers (A) formed from a polyester resin and inorganic particles; and has the middle layer (B) having a heat distortion temperature above 120° C. and a melt flow index (MI) of 0.2-1 g/10 min (at 230° C., with a load of 2.16 kg) via crosslinking modified with 0.1-3 PHR of phrperoxide, and inorganic particles.
    Type: Application
    Filed: January 3, 2019
    Publication date: July 9, 2020
    Inventors: Te-Chao LIAO, Wen-Cheng YANG, Chun-Che TSAO, Chia-Yen HSIAO, Chih-Feng WANG
  • Patent number: 10668763
    Abstract: A PET synthetic paper is composed of a PET substrate and a soft ink absorbing coating coated on the PET substrate. The soft ink absorbing coating includes an acrylic coating and a polyurethane coating embossed on the acrylic coating. The acrylic coating has excellent printability and the polyurethane coating has velvety-soft tactility.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: June 2, 2020
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Wen-Cheng Yang, Ching-Yao Yuan, Chen-An Wu, Yu-Chi Hsieh
  • Publication number: 20200168444
    Abstract: A method includes providing a jig including a predetermined center and a magnetron installed on the jig; rotating the magnetron and obtaining a measured first magnetic flux density at the predetermined center of the jig; defining a first area of the magnetron based on the measured first magnetic flux density; rotating the magnetron and measuring a plurality of second magnetic flux densities within the first area of the magnetron; deriving a measured second magnetic flux density among the plurality of second magnetic flux densities; comparing the measured second magnetic flux density with a predetermined threshold; and performing an operation based on the comparison.
    Type: Application
    Filed: June 3, 2019
    Publication date: May 28, 2020
    Inventors: PRADIP GIRDHAR CHAUDHARI, CHE-HUI LEE, WEN-CHENG YANG
  • Publication number: 20200144063
    Abstract: A method for forming a semiconductor device structure is provided. The method includes disposing a semiconductor substrate in a physical vapor deposition (PVD) chamber and introducing a plasma-forming gas into the PVD chamber. The plasma-forming gas is an oxygen-containing gas. The method also includes applying a radio frequency (RF) power by a power source to a metal target in the PVD chamber to excite the plasma-forming gas to generate plasma. The metal target is directly electrically coupled to the power source. The method further includes directing the plasma towards the metal target positioned in the PVD chamber such that an etch stop layer is formed over the semiconductor substrate.
    Type: Application
    Filed: December 30, 2019
    Publication date: May 7, 2020
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ya-Ling LEE, Shing-Chyang PAN, Keng-Chu LIN, Wen-Cheng YANG, Chih-Tsung LEE, Victor Y. LU
  • Publication number: 20200122384
    Abstract: A stretchable modified polyester film, and more particularly to a modified polyester film for in-mold decoration film and having high extensibility, high light transmittance, low shrinkage (high temperature resistance) and the like is provided. The stretchable polyester film is suitable to serve as a stretchable modified polyester film for an in-mold decoration film. The stretchable modified polyester film includes following components: (a) a polyester resin and (b) an acrylic resin.
    Type: Application
    Filed: October 17, 2019
    Publication date: April 23, 2020
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHING-YAO YUAN, CHUN-CHENG YANG, Yu-Chi Hsieh
  • Publication number: 20200122496
    Abstract: A PET synthetic paper is composed of a PET substrate and a soft ink absorbing coating coated on the PET substrate. The soft ink absorbing coating includes an acrylic coating and a polyurethane coating embossed on the acrylic coating. The acrylic coating has excellent printability and the polyurethane coating has velvety-soft tactility.
    Type: Application
    Filed: July 26, 2019
    Publication date: April 23, 2020
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHING-YAO YUAN, Chen-An Wu, Yu-Chi Hsieh
  • Patent number: 10522360
    Abstract: A method for forming a semiconductor device structure is provided. The method includes disposing a semiconductor substrate in a physical vapor deposition (PVD) chamber. The method also includes introducing a plasma-forming gas into the PVD chamber, and the plasma-forming gas contains an oxygen-containing gas. The method further includes applying a radio frequency (RF) power to a metal target in the PVD chamber to excite the plasma-forming gas to generate plasma. In addition, the method includes directing the plasma towards the metal target positioned in the PVD chamber such that an etch stop layer is formed over the semiconductor substrate.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: December 31, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ya-Ling Lee, Shing-Chyang Pan, Keng-Chu Lin, Wen-Cheng Yang, Chih-Tsung Lee, Victor Y. Lu
  • Publication number: 20190101110
    Abstract: Cryogenic pump apparatuses include nanostructure material to achieve an ultra-high vacuum level. The nanostructure material can be mixed with either an adsorbent material or a fixed glue layer which is utilized to fix the adsorbent material. The nanostructure material's good thermal conductivity and adsorption properties help to lower working temperature and extend regeneration cycle of the cryogenic pumps.
    Type: Application
    Filed: December 3, 2018
    Publication date: April 4, 2019
    Inventors: Surendra Babu Anantharaman, Wen-Cheng Yang, Chung-En Kao, Victor Y. Lu, Wei Chin