Patents by Inventor Chien-Mao Liao

Chien-Mao Liao 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).

  • Patent number: 8545289
    Abstract: A distance monitoring device is provided. The device is suitable for a chemical mechanical polishing (CMP) apparatus. A polishing head of the CMP apparatus includes a frame and a membrane. The membrane is mounted on the frame, and a plurality of air bags is formed by the membrane and the frame in the polishing head. The distance monitoring device includes a plurality of distance detectors disposed on the frame corresponding to the air bags respectively to set a location of each of the distance detectors on the frame as a reference point, wherein each of the distance detectors is configured to measure a distance between each of the reference points and the membrane.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: October 1, 2013
    Assignee: Nanya Technology Corporation
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8309467
    Abstract: A manufacturing method of a device is provided. In the manufacturing method, a substrate is provided. The substrate has a plurality of patterns and a plurality of openings formed thereon, and the openings are located among the patterns. A first liquid supporting layer is formed on the patterns, and the openings are filled with the first liquid supporting layer. The first liquid supporting layer is transformed into a first solid supporting layer. The first solid supporting layer includes a plurality of supporting elements formed in the openings, and the supporting elements are formed among the patterns. A treatment process is performed on the patterns. The first solid supporting layer that includes the supporting elements is transformed into a second liquid supporting layer. The second liquid supporting layer is removed.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: November 13, 2012
    Assignee: Nanya Technology Corporation
    Inventors: Chien-Mao Liao, Yi-Nan Chen
  • Publication number: 20120270474
    Abstract: A polishing pad wear detecting apparatus suitable for a chemical mechanical polishing (CMP) apparatus is provided. The polishing pad wear detecting apparatus includes an arm and a height detector. One end of the arm is fastened on the CMP apparatus. The height detector is disposed on the arm for detecting height variation of a polishing pad.
    Type: Application
    Filed: April 20, 2011
    Publication date: October 25, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120264299
    Abstract: A chemical mechanical polishing (CMP) method is provided The method is capable of polishing a substrate in a CMP apparatus by using a hydrophobic polishing pad and includes following steps. A first CMP process is performed to the substrate. A first cleaning process is performed to the hydrophobic polishing pad. A second CMP process is performed to the substrate, wherein the first CMP process, the first cleaning process and the second CMP process are performed in sequence.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120264300
    Abstract: A method of fabricating the semiconductor component including following steps is provided. A substrate is provided, wherein an opening is already formed in the substrate. A material layer is formed on the substrate, wherein the material layer fills up the opening, and the material layer outside and above the opening has a recess therein. A sacrifice layer is formed on a surface of the recess. A chemical mechanical polishing (CMP) process is performed to remove the sacrifice layer and the material layer outside the opening, wherein a polishing rate of the CMP process on the material layer is greater than that of the CMP process on the sacrifice layer.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120264359
    Abstract: A membrane is suitable to be mounted on a polishing head of a chemical mechanical polishing apparatus and includes a main portion and an edge portion. The edge portion is located at an edge of the main portion, wherein a first included angle between the main portion and the edge portion is an obtuse angle.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120264354
    Abstract: A distance monitoring device is provided. The device is suitable for a chemical mechanical polishing (CMP) apparatus. A polishing head of the CMP apparatus includes a frame and a membrane. The membrane is mounted on the frame, and a plurality of air bags is formed by the membrane and the frame in the polishing head. The distance monitoring device includes a plurality of distance detectors disposed on the frame corresponding to the air bags respectively to set a location of each of the distance detectors on the frame as a reference point, wherein each of the distance detectors is configured to measure a distance between each of the reference points and the membrane.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8216946
    Abstract: A patterning method has a mask layer and undoped patterns sequentially formed on a target layer. A doping process is performed to surfaces of the undoped patterns to form doped patterns from the surfaces of the undoped patterns. A material is filled in the gaps between the doped patterns. A portion of the doped patterns are then removed to expose the top surfaces of the remaining undoped patterns. The material and the exposed undoped patterns are removed. A portion of the mask layer is removed using the remaining doped patterns as a mask to form a first pattern on the mask layer. A portion of the target layer is removed using the mask layer having the first pattern thereon as a mask so as to form on the target layer a second pattern complementary to the first pattern.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: July 10, 2012
    Assignee: Nanya Technology Corporation
    Inventors: Wei-Cheng Shiu, Hai-Han Hung, Ya-Chih Wang, Chien-Mao Liao, Shing-Yih Shih
  • Patent number: 8207065
    Abstract: A method for forming a shallow trench isolation includes providing a substrate with a trench, a first liner layer and a second liner layer sequentially in the trench with a first oxide filling the trench, performing a first wet etching to remove part of the first oxide and part of the first liner layer to expose the substrate, performing a second wet etching to remove part of the second liner layer so that the second liner layer is lower than surface of the substrate, performing a third wet etching to remove part of the first oxide and part of the first liner layer, and filling the trench with a second oxide to form a shallow trench isolation.
    Type: Grant
    Filed: January 2, 2008
    Date of Patent: June 26, 2012
    Assignee: Nanya Technology Corp.
    Inventors: Chien-Mao Liao, Shing-Yih Shih
  • Publication number: 20120149197
    Abstract: A manufacturing method of a device is provided. In the manufacturing method, a substrate is provided. The substrate has a plurality of patterns and a plurality of openings formed thereon, and the openings are located among the patterns. A first liquid supporting layer is formed on the patterns, and the openings are filled with the first liquid supporting layer. The first liquid supporting layer is transformed into a first solid supporting layer. The first solid supporting layer includes a plurality of supporting elements formed in the openings, and the supporting elements are formed among the patterns. A treatment process is performed on the patterns. The first solid supporting layer that includes the supporting elements is transformed into a second liquid supporting layer. The second liquid supporting layer is removed.
    Type: Application
    Filed: December 8, 2010
    Publication date: June 14, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen
  • Publication number: 20100323521
    Abstract: A patterning method has a mask layer and undoped patterns sequentially formed on a target layer. A doping process is performed to surfaces of the undoped patterns to form doped patterns from the surfaces of the undoped patterns. A material is filled in the gaps between the doped patterns. A portion of the doped patterns are then removed to expose the top surfaces of the remaining undoped patterns. The material and the exposed undoped patterns are removed. A portion of the mask layer is removed using the remaining doped patterns as a mask to form a first pattern on the mask layer. A portion of the target layer is removed using the mask layer having the first pattern thereon as a mask so as to form on the target layer a second pattern complementary to the first pattern.
    Type: Application
    Filed: June 23, 2009
    Publication date: December 23, 2010
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Wei-Cheng Shiu, Hai-Han Hung, Ya-Chih Wang, Chien-Mao Liao, Shing-Yih Shih
  • Publication number: 20090029556
    Abstract: A method for forming a shallow trench isolation includes providing a substrate with a trench, a first liner layer and a second liner layer sequentially in the trench with a first oxide filling the trench, performing a first wet etching to remove part of the first oxide and part of the first liner layer to expose the substrate, performing a second wet etching to remove part of the second liner layer so that the second liner layer is lower than surface of the substrate, performing a third wet etching to remove part of the first oxide and part of the first liner layer, and filling the trench with a second oxide to form a shallow trench isolation.
    Type: Application
    Filed: January 2, 2008
    Publication date: January 29, 2009
    Inventors: Chien-Mao Liao, Shing-Yih Shih
  • Patent number: 6958283
    Abstract: A method for forming a trench isolation. A semiconductor substrate with an opening is provided, on which a mask layer is formed. A first insulating layer is conformably formed on the semiconductor substrate and the trench, and the trench is filled with the first insulating layer. The first insulating layer is anisotropically etched to below the semiconductor substrate. A second insulating layer is formed on the semiconductor substrate and the trench. The second insulating layer is planarized to expose the mask layer.
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: October 25, 2005
    Assignee: Nanya Technology Corporation
    Inventors: Chien-Mao Liao, Tzu-En Ho, Chang-Rong Wu, Chih-How Chang, Sheng-Wei Yang, Sheng-Tsung Chen, Chung-Yuan Lee, Wen-Sheng Liao, Chen-Chou Huang
  • Patent number: 6897108
    Abstract: The present invention provides a process for planarizing array top oxide (ATO) in vertical MOSFET DRAM arrays. In contrast to the prior art ARC-RIE planarization method for EA/ES (etch array/etch support) module, the present invention takes advantage of chemical mechanical polishing (CMP) technique to overcome residue problems that used to occur at the transition region or array edge. It might cause capacitor device failure when ATO residue is left on the transition region.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: May 24, 2005
    Assignee: Nanya Technology Corp.
    Inventors: Sheng-Wei Yang, Cheng-Chih Huang, Chien-Mao Liao
  • Publication number: 20050020028
    Abstract: A method for forming a trench isolation. A semiconductor substrate with an opening is provided, on which a mask layer is formed. A first insulating layer is conformably formed on the semiconductor substrate and the trench, and the trench is filled with the first insulating layer. The first insulating layer is anisotropically etched to below the semiconductor substrate. A second insulating layer is formed on the semiconductor substrate and the trench. The second insulating layer is planarized to expose the mask layer.
    Type: Application
    Filed: October 22, 2003
    Publication date: January 27, 2005
    Inventors: Chien-Mao Liao, Tzu-En Ho, Chang-Rong Wu, Chih-How Chang, Sheng-Wei Yang, Sheng-Tsung Chen, Chung-Yuan Lee, Wen-Sheng Liao, Chen-Chou Huang
  • Publication number: 20050014331
    Abstract: The present invention provides a process for planarizing array top oxide (ATO) in vertical MOSFET DRAM arrays. In contrast to the prior art ARC-RIE planarization method for EA/ES (etch array/etch support) module, the present invention takes advantage of chemical mechanical polishing (CMP) technique to overcome residue problems that used to occur at the transition region or array edge. It might cause capacitor device failure when ATO residue is left on the transition region.
    Type: Application
    Filed: July 14, 2003
    Publication date: January 20, 2005
    Inventors: Sheng-Wei Yang, Cheng-Chih Huang, Chien-Mao Liao
  • Patent number: 6821872
    Abstract: A method for making a bit line contact on a substrate is provided. Two gate conductor stacks are formed on a main surface of the substrate in close proximity to each other. A bit line contact forming area is defined above the area between the two gate conductor stacks. A silicon dioxide lining film is deposited on a top surface and sidewalls of the gate conductor stacks. A sacrificing layer is deposited on the silicon dioxide lining film. The sacrificing layer is then polished to expose the top surface of the gate conductor stacks. A spin-on-glass (SOG) film is then coated on the sacrificing layer. A resist pattern masking the bit line contact forming area is formed on the SOG film. The un-masked SOG film, sacrificing layer and silicon dioxide lining film are etched away. A silicon nitride thin film is deposited on the remaining SOG film. A BPSG layer is deposited on the silicon nitride thin film and is then polished to expose the SOG layer.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: November 23, 2004
    Assignee: Nanya Technology Corp.
    Inventors: Chien-Mao Liao, Shing-Yih Shih, Chang-Rong Wu
  • Patent number: 6794266
    Abstract: A method for forming a trench isolation structure. First, a substrate having at least one trench is provided. The trench is filled with a spin on glass (SOG) layer. Subsequently, a baking is performed on the SOG layer. The SOG layer is etched back to a predetermined depth. Next, a curing is performed on the remaining SOG layer. Finally, an insulating layer is formed on the remaining SOG layer to fill the trench completely.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: September 21, 2004
    Assignee: Nanya Technology Corporation
    Inventors: Shing-Yih Shih, Chien-Mao Liao, Chang Rong Wu
  • Patent number: 6770563
    Abstract: A process of forming a bottle-shaped trench. A semiconductor substrate with a trench is provided, on which a pad layer and hard mask layer are sequentially formed. A dielectric layer is formed on the hard mask layer to fill the trench. Part of the dielectric layer is etched to expose the sidewall of the upper portion of the trench. A spacer is formed on the sidewall. The residual dielectric layer in the trench is removed, and the partial trench not covered by the spacer is etched to a bottle shape.
    Type: Grant
    Filed: January 3, 2003
    Date of Patent: August 3, 2004
    Assignee: Nanya Technology Corporation
    Inventors: Tung-Wang Huang, Chang Rong Wu, Chien-Mao Liao, Hsin-Jung Ho
  • Publication number: 20040053464
    Abstract: A process of forming a bottle-shaped trench. A semiconductor substrate with a trench is provided, on which a pad layer and hard mask layer are sequentially formed. A dielectric layer is formed on the hard mask layer to fill the trench. Part of the dielectric layer is etched to expose the sidewall of the upper portion of the trench. A spacer is formed on the sidewall. The residual dielectric layer in the trench is removed, and the partial trench not covered by the spacer is etched to a bottle shape.
    Type: Application
    Filed: January 3, 2003
    Publication date: March 18, 2004
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Tung-Wang Huang, Chang-Rong Wu, Chien-Mao Liao, Hsin-Jung Ho