Patents by Inventor Tzung-Han Lee

Tzung-Han Lee 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: 20140291738
    Abstract: A semiconductor electronic device structure includes an active area array disposed in a substrate, an isolation structure, a plurality of recessed gate structures, a plurality of word lines, and a plurality of bit lines. The active area array a plurality of active area columns and a plurality of active area rows, defining an array of active areas. The substrate has two recesses formed at the central region thereof. Each recessed gate structure is respectively disposed in the recess. A protruding structure is formed on the substrate in each recess. A STI structure of the isolation structure is arranged between each pair of adjacent active area rows. Word lines are disposed in the substrate, each electrically connecting the gate structures there-under. Bit lines are disposed above the active areas, forming a crossing pattern with the word lines.
    Type: Application
    Filed: September 12, 2013
    Publication date: October 2, 2014
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG-HAN LEE, YAW-WEN HU, HUNG CHANG LIAO, CHUNG-YUAN LEE, HSU CHIANG, SHENG-HSIUNG WU
  • Publication number: 20140291729
    Abstract: A memory unit includes a substrate, at least one charge storage element, at least one first recessed access element, and an isolation portion. The substrate has a surface and the first recessed access element is disposed in an active area of the substrate and extending from the surface into the substrate. The first recessed access element is electrically connected to the charge storage element and induces in the substrate a first depletion region. The isolation portion is adjacent to the active area and extending from the surface into the substrate. The isolation portion includes a trenched isolating barrier and a second recessed access element. The second recessed access element is disposed in the trenched isolating barrier and induces in the substrate a second depletion region merging with the first depletion region.
    Type: Application
    Filed: June 19, 2013
    Publication date: October 2, 2014
    Inventors: TZUNG-HAN LEE, YAW-WEN HU, CHUNG-YUAN LEE, HSU CHIANG, SHENG-HSIUNG WU, HUNG CHANG LIAO
  • Publication number: 20140291754
    Abstract: A semiconductor structure having buried word line formed in a trench in a semiconductor substrate includes a gate oxide layer, a gate conductor, a gate cap layer, a blocking layer, and an isolation structure. The gate oxide layer is formed on the inner surface of the trench, the gate conductor is formed in the trench, and the gate cap layer is formed on the gate conductor. The blocking layer surrounds a bottom portion of the gate conductor, and the bottom portion of the gate conductor is isolated from the gate oxide layer by the blocking layer. The isolation structure surrounds a top portion of the gate conductor and in contact with the top end of the blocking layer. The top portion of the gate conductor is isolated from the gate oxide layer and the from the gate cap layer by the isolation structure.
    Type: Application
    Filed: June 18, 2013
    Publication date: October 2, 2014
    Inventors: TZUNG-HAN LEE, YAW-WEN HU
  • Publication number: 20140252550
    Abstract: The present invention provides a stack capacitor structure and a manufacturing method thereof, adapted for a random access memory. The stack capacitor structure is formed on a semiconductor substrate. The stack capacitor structure includes an oxide layer and a circular-shaped stopping layer. The oxide layer is disposed on the semiconductor substrate. The oxide layer has a capacitor trench therein. The circular-shaped stopping layer surrounds an edge of an opening of the capacitor trench. The disclosed stack capacitor structure and the manufacturing method thereof may thereby prevent the occurrence of the stack capacitor structure from having CD variation and belly region causing cell to cell leakage as result of manufacturing process limitation.
    Type: Application
    Filed: September 13, 2013
    Publication date: September 11, 2014
    Applicant: INOTERA MEMORIES, INC.
    Inventors: HSU CHIANG, YAW-WEN HU, TZUNG-HAN LEE, CHUNG-YUAN LEE, SHENG-HSIUNG WU
  • Patent number: 8779494
    Abstract: The instant disclosure relates to a high-k metal gate random access memory. The memory includes a substrate, a plurality of bit line units, source regions, gate structures, drain regions, word line units, and capacitance units. The substrate has a plurality of trenches, and the bit line units are arranged on the substrate. The source regions are disposed on the bit line units, and the gate structures are disposed on the source regions. Each gate structure has a metal gate and a channel area formed therein. The gate structures are topped with the drain regions. The word lines units are arranged between the source and drain regions. The capacitance units are disposed on the drain regions. Another memory is also disclosed, where each drain region and a portion of each gate structure are disposed in the respective capacitance unit, with the drain region being a lower electrode layer.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: July 15, 2014
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron-Fu Chu
  • Patent number: 8772838
    Abstract: A semiconductor layout structure includes multiple active blocks which are disposed on a substrate, parallel with one another and extending along a first direction, multiple first shallow trench isolations which are disposed on a substrate, parallel with one another and respectively disposed on the multiple active blocks, and multiple second shallow trench isolations which are disposed on a substrate, cutting through multiple active blocks and extending along a second direction. The first direction has an angle about 1 degree to about 53 degrees to the second direction.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 8, 2014
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Yuan Lee
  • Patent number: 8766759
    Abstract: A transformer comprises a circuit board, an iron core, a winding set and a plurality of magnetic conduction elements. The circuit board has a plurality of electric conduction holes connected via at least one power connection wire. The iron core is located on the circuit board and has a first winding section and a second winding section. The winding set is wound on the first winding section. Each magnetic conduction element has a connecting section located on the iron core and an input section and an output section inserted into the electric conduction holes. The output section of one magnetic conduction element is connected to the input section of another magnetic conduction element through the power connection wire, thereby the magnetic conduction elements and power connection wire form a magnetic conduction winding set which generates magnetic coupling with the winding set through the iron core.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: July 1, 2014
    Assignee: Zippy Technology Corp.
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Tzung-Han Lee, Heng-Chia Chang
  • Publication number: 20140124844
    Abstract: A semiconductor layout structure includes multiple active blocks which are disposed on a substrate, parallel with one another and extending along a first direction, multiple first shallow trench isolations which are disposed on a substrate, parallel with one another and respectively disposed on the multiple active blocks, and multiple second shallow trench isolations which are disposed on a substrate, cutting through multiple active blocks and extending along a second direction. The first direction has an angle about 1 degree to about 53 degrees to the second direction.
    Type: Application
    Filed: March 15, 2013
    Publication date: May 8, 2014
    Applicant: INOTERA MEMORIES, INC.
    Inventors: Tzung-Han Lee, Chung-Yuan Lee
  • Publication number: 20140117442
    Abstract: A semiconductor structure includes multiple buried gates which are disposed in a substrate and have a first source and a second source, an interlayer dielectric layer covering the multiple buried gates and the substrate as well as a core dual damascene plug including a first plug, a second plug and an insulating slot. The insulating slot is disposed between the first plug and the second plug so that the first plug and the second plug are mutually electrically insulated. The first plug and the second plug respectively penetrate the interlayer dielectric layer and are respectively electrically connected to the first source and the second source.
    Type: Application
    Filed: March 15, 2013
    Publication date: May 1, 2014
    Applicant: INOTERA MEMORIES, INC.
    Inventors: Tzung-Han Lee, Yaw-Wen Hu, Hung-Chang Liao, Chung-Yuan Lee, Hsu Chiang, Sheng-Hsiung Wu
  • Publication number: 20140110818
    Abstract: A manufacturing method for the nodes of the RAM device, includes the steps as follows: forming a STI layer on a substrate to divide the substrate into several active areas; sequentially forming a first insulating layer and a hard mask layer on the substrate; etching the first insulating layer to form a first hole for exposing the STI layer and partial of the active areas; filling a conductive material in the first hole to form a conductor; forming a protective layer on the top surface of the conductor, wherein each protective layer has an opening aligning the STI layer; etching the conductor from the opening until the STI layer to form a second hole for exposing the STI layer, wherein each conductor is divided into two nodes by the second hole arranged therebetween; and forming a second insulating layer in the second hole for electrically isolating the nodes.
    Type: Application
    Filed: March 15, 2013
    Publication date: April 24, 2014
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG-HAN LEE, CHUNG-LIN HUANG
  • Patent number: 8703562
    Abstract: A manufacturing method of a random access memory includes the following steps: providing a semiconductor structure having an array region and a peripheral region; forming a plurality of first trenches in the array region, and concurrently, a plurality of second trenches on the peripheral region; forming a polysilicon layer to cover the array region and the peripheral region, and the first and the second trenches are filled up with the polysilicon layer; planarizing the polysilicon layer so the remaining polysilicon layer only resides in the first and the second trenches; forming a conductive layer on the semiconductor structure; patterning the conductive layer to form a plurality of landing pads on the array region, and a plurality of bit line units on the peripheral region; and forming a plurality of capacitor units which is in electrical connection to the landing pads.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: April 22, 2014
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron-Fu Chu
  • Patent number: 8703575
    Abstract: The instant disclosure relates to a method of forming an isolation area. The method includes the steps of: providing a substrate having a first type of ion dopants, where the substrate has a plurality of trenches formed on the cell areas and the isolation area between the cell areas of the substrate, with the side walls of the trenches having an oxidation layer formed thereon and the trenches are filled with a metallic structure; removing the metallic structure from the trenches of the isolation area; implanting a second type of ions into the substrate under the trenches of the isolation area; and filling all the trenches with an insulating structure, where the trenches of the isolation area are filled up fully by the insulating structure to form a non-metallic isolation area.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: April 22, 2014
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu
  • Publication number: 20140091889
    Abstract: A transformer comprises a circuit board, an iron core, a winding set and a plurality of magnetic conduction elements. The circuit board has a plurality of electric conduction holes connected via at least one power connection wire. The iron core is located on the circuit board and has a first winding section and a second winding section. The winding set is wound on the first winding section. Each magnetic conduction element has a connecting section located on the iron core and an input section and an output section inserted into the electric conduction holes. The output section of one magnetic conduction element is connected to the input section of another magnetic conduction element through the power connection wire, thereby the magnetic conduction elements and power connection wire form a magnetic conduction winding set which generates magnetic coupling with the winding set through the iron core.
    Type: Application
    Filed: October 1, 2012
    Publication date: April 3, 2014
    Applicant: ZIPPY TECHNOLOGY CORP.
    Inventors: Tsun-Te SHIH, Yu-Yuan CHANG, Tzung-Han LEE, Heng-Chia CHANG
  • Patent number: 8604620
    Abstract: The present invention provides a semiconductor structure having a lateral TSV and a manufacturing method thereof. The semiconductor structure includes a chip having an active side, a back side disposed opposite to the active side, and a lateral side disposed between the active side and the back side. The chip further includes a contact pad, a lateral TSV and a patterned conductive layer. The contact pad is disposed on the active side. The lateral TSV is disposed on the lateral side. The patterned conductive layer is disposed on the active side and is electrically connected to the lateral TSV and the contact pad.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: December 10, 2013
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu, Dah-Wei Liu
  • Publication number: 20130203233
    Abstract: A manufacturing method of a memory capacitor without a moat structure includes the steps of: providing a semiconductor substrate defined with an array region and a peripheral region; forming a first oxidized layer on the array region; forming a second oxidized layer on the peripheral region; planarizing the first and the second oxidized layers; forming an insulating layer on the first and the second oxidized layers; forming a plurality of trenches on the array region, where the trenches pass through the first oxidized layer and the insulating layer on the first oxidized layer; forming a conductive layer on the side and base surfaces of each trench; removing a portion of the conductive layer and a portion of the insulating layer to form a plurality of notches to expose the first oxidized layer; and removing the first oxidized layers which are exposed from the notches.
    Type: Application
    Filed: May 2, 2012
    Publication date: August 8, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG-HAN LEE, CHUNG-LIN HUANG, RON-FU CHU
  • Publication number: 20130203232
    Abstract: A manufacturing method of a random access memory includes the following steps: providing a semiconductor structure having an array region and a peripheral region; forming a plurality of first trenches in the array region, and concurrently, a plurality of second trenches on the peripheral region; forming a polysilicon layer to cover the array region and the peripheral region, and the first and the second trenches are filled up with the polysilicon layer; planarizing the polysilicon layer so the remaining polysilicon layer only resides in the first and the second trenches; forming a conductive layer on the semiconductor structure; patterning the conductive layer to form a plurality of landing pads on the array region, and a plurality of bit line units on the peripheral region; and forming a plurality of capacitor units which is in electrical connection to the landing pads.
    Type: Application
    Filed: March 22, 2012
    Publication date: August 8, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG-HAN LEE, CHUNG-LIN HUANG, RON-FU CHU
  • Patent number: 8486801
    Abstract: A fabricating method of a DRAM structure includes providing a substrate comprising a memory array region and a peripheral region. A buried gate transistor is disposed within the memory array region, and a planar gate transistor is disposed within the peripheral region. Furthermore, an interlayer dielectric layer covers the memory array region, the buried gate transistor and the planar gate transistor. Then, a capping layer of the planar gate transistor and part of the interlayer dielectric layer are removed simultaneously so that a first contact hole, a second contact hole and a third contact hole are formed in the interlayer dielectric layer. A drain doping region of the buried gate transistor is exposed through the first contact hole, a doping region of the planar gate transistor is exposed through the second contact hole, and a gate electrode of the planar gate transistor is exposed through the third contact hole.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: July 16, 2013
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu
  • Publication number: 20130168801
    Abstract: The instant disclosure relates to a method of forming an isolation area. The method includes the steps of: providing a substrate having a first type of ion dopants, where the substrate has a plurality of trenches formed on the cell areas and the isolation area between the cell areas of the substrate, with the side walls of the trenches having an oxidation layer formed thereon and the trenches are filled with a metallic structure; removing the metallic structure from the trenches of the isolation area; implanting a second type of ions into the substrate under the trenches of the isolation area; and filling all the trenches with an insulating structure, where the trenches of the isolation area are filled up fully by the insulating structure to form a non-metallic isolation area.
    Type: Application
    Filed: March 16, 2012
    Publication date: July 4, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG-HAN LEE, CHUNG-LIN HUANG, RON FU CHU
  • Publication number: 20130168812
    Abstract: A manufacturing method for memory capacitor having a robust moat, comprising the steps of: providing a substrate; forming a patterned sacrificial layer on the substrate having a moat to separate a cell area and a peripheral area; forming a supporting layer on the sacrificial layer and filling the moat to form a annular member, wherein the supporting layer and the sacrificial layer arranged in alignment to form a stack structure; forming a plurality row of capacitor trenches on the substrate, wherein the capacitor trenches are formed at intervals in the stack structure; and forming a conducting layer on the supporting layer and covering the substrate and the inner surface of the stack structure defining the capacitor trenches.
    Type: Application
    Filed: March 22, 2012
    Publication date: July 4, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG-HAN LEE, CHUNG-LIN HUANG, RON-FU CHU
  • Publication number: 20130168751
    Abstract: The instant disclosure relates to a high-k metal gate random access memory. The memory includes a substrate, a plurality of bit line units, source regions, gate structures, drain regions, word line units, and capacitance units. The substrate has a plurality of trenches, and the bit line units are arranged on the substrate. The source regions are disposed on the bit line units, and the gate structures are disposed on the source regions. Each gate structure has a metal gate and a channel area formed therein. The gate structures are topped with the drain regions. The word lines units are arranged between the source and drain regions The capacitance units are disposed on the drain regions. Another memory is also disclosed, where each drain region and a portion of each gate structure are disposed in the respective capacitance unit, with the drain region being a lower electrode layer.
    Type: Application
    Filed: March 22, 2012
    Publication date: July 4, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG-HAN LEE, CHUNG-LIN HUANG, RON FU CHU