Patents by Inventor Pei-Hua Wang
Pei-Hua Wang 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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Publication number: 20230200043Abstract: Embodiments herein describe techniques for a semiconductor device including a substrate, a first inter-level dielectric (ILD) layer above the substrate, and a second ILD layer above the first ILD layer. A first capacitor and a second capacitor are formed within the first ILD layer and the second ILD layer. A first top plate of the first capacitor and a second top plate of the second capacitor are formed at a boundary between the first ILD layer and the second ILD layer. The first capacitor and the second capacitor are separated by a dielectric area in the first ILD layer. The dielectric area includes a first dielectric area that is coplanar with the first top plate or the second top plate, and a second dielectric area above the first dielectric area and to separate the first top plate and the second top plate. Other embodiments may be described and/or claimed.Type: ApplicationFiled: February 14, 2023Publication date: June 22, 2023Inventors: Travis W. LAJOIE, Abhishek A. SHARMA, Van H. LE, Chieh-Jen KU, Pei-Hua WANG, Jack T. KAVALIEROS, Bernhard SELL, Tahir GHANI, Gregory GEORGE, Akash GARG, Julie ROLLINS, Allen B. GARDINER, Shem OGADHOH, Juan G. ALZATE VINASCO, Umut ARSLAN, Fatih HAMZAOGLU, Nikhil MEHTA, Yu-Wen HUANG, Shu ZHOU
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Patent number: 11683929Abstract: Embodiments herein describe techniques for a semiconductor device including a capacitor and a transistor above the capacitor. A contact electrode may be shared between the capacitor and the transistor. The capacitor includes a first plate above a substrate, and the shared contact electrode above the first plate and separated from the first plate by a capacitor dielectric layer, where the shared contact electrode acts as a second plate for the capacitor. The transistor includes a gate electrode above the substrate and above the capacitor; a channel layer separated from the gate electrode by a gate dielectric layer, and in contact with the shared contact electrode; and a source electrode above the channel layer, separated from the gate electrode by the gate dielectric layer, and in contact with the channel layer. The shared contact electrode acts as a drain electrode of the transistor. Other embodiments may be described and/or claimed.Type: GrantFiled: June 14, 2022Date of Patent: June 20, 2023Assignee: Intel CorporationInventors: Travis W. Lajoie, Abhishek Sharma, Van H. Le, Chieh-Jen Ku, Pei-Hua Wang, Jack T. Kavalieros, Bernhard Sell, Tahir Ghani, Juan Alzate Vinasco
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Publication number: 20230171936Abstract: Described herein are two transistor (2T) memory cells that use TFTs as access and gain transistors. When one or both transistors of a 2T memory cell are implemented as TFTs, these transistors may be provided in different layers above a substrate, enabling a stacked architecture. An example 2T memory cell includes an access TFT provided in a first layer over a substrate, and a gain TFT provided in a second layer over the substrate, the first layer being between the substrate and the second layer (i.e., the gain TFT is stacked in a layer above the access TFT). Stacked TFT based 2T memory cells allow increasing density of memory cells in a memory array having a given footprint area, or, conversely, reducing the footprint area of the memory array with a given memory cell density.Type: ApplicationFiled: January 31, 2023Publication date: June 1, 2023Applicant: Intel CorporationInventors: Abhishek A. Sharma, Juan G. Alzate-Vinasco, Fatih Hamzaoglu, Bernhard Sell, Pei-hua Wang, Van H. Le, Jack T. Kavalieros, Tahir Ghani, Umut Arslan, Travis W. Lajoie, Chieh-jen Ku
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Patent number: 11652047Abstract: Embodiments herein describe techniques for a semiconductor device having an interconnect structure including an inter-level dielectric (ILD) layer between a first layer and a second layer of the interconnect structure. The interconnect structure further includes a separation layer within the ILD layer. The ILD layer includes a first area with a first height to extend from a first surface of the ILD layer to a second surface of the ILD layer. The ILD layer further includes a second area with a second height to extend from the first surface of the ILD layer to a surface of the separation layer, where the first height is larger than the second height. Other embodiments may be described and/or claimed.Type: GrantFiled: June 28, 2019Date of Patent: May 16, 2023Assignee: Intel CorporationInventors: Travis W. Lajoie, Abhishek A. Sharma, Van H. Le, Chieh-Jen Ku, Pei-Hua Wang, Jack T. Kavalieros, Bernhard Sell, Tahir Ghani, Gregory George, Akash Garg, Julie Rollins, Allen B. Gardiner, Shem Ogadhoh, Juan G. Alzate Vinasco, Umut Arslan, Fatih Hamzaoglu, Nikhil Mehta, Ting Chen, Vinaykumar V. Hadagali
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Patent number: 11628005Abstract: A tool for a bone implant includes a rod and an adaptor. The rod includes a coupling portion having a through-hole. The rod further includes a measuring arm connected to the coupling portion and a force applying arm connected to the coupling portion. The measuring arm includes a first extension section having a first indicator portion, and the force applying arm includes a second extension section having a second indicator portion. The force applying arm is elastically deformable away from the measuring arm to displace the second extension section relative to the first extension section. The adaptor is coupled in the through-hole and includes an outer ring and an inner ring. The outer ring is rotatable relative to the inner ring in a single direction.Type: GrantFiled: December 3, 2020Date of Patent: April 18, 2023Assignee: METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTREInventors: Tung-Lin Tsai, Chun-Chieh Tseng, Chun-Ming Chen, Yue-Jun Wang, Hsin-Fei Wang, Pei-Hua Wang
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Publication number: 20230097793Abstract: Described herein are integrated circuit devices with lined interconnects. Interconnect liners can help maintain conductivity between semiconductor devices (e.g., transistors) and the interconnects that conduct current to and from the semiconductor devices. In some embodiments, metal interconnects are lined with a tungsten liner. Tungsten liners may be particularly useful with semiconductor devices that use certain channel materials, such as indium gallium zinc oxide.Type: ApplicationFiled: September 25, 2021Publication date: March 30, 2023Applicant: Intel CorporationInventors: Travis W. Lajoie, Pei-hua Wang, Gregory J. George, Bernhard Sell, Juan G. Alzate-Vinasco, Chieh-Jen Ku, Alekhya Nimmagadda
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Patent number: 11610894Abstract: Embodiments herein describe techniques for a semiconductor device including a substrate, a first inter-level dielectric (ILD) layer above the substrate, and a second ILD layer above the first ILD layer. A first capacitor and a second capacitor are formed within the first ILD layer and the second ILD layer. A first top plate of the first capacitor and a second top plate of the second capacitor are formed at a boundary between the first ILD layer and the second ILD layer. The first capacitor and the second capacitor are separated by a dielectric area in the first ILD layer. The dielectric area includes a first dielectric area that is coplanar with the first top plate or the second top plate, and a second dielectric area above the first dielectric area and to separate the first top plate and the second top plate. Other embodiments may be described and/or claimed.Type: GrantFiled: June 28, 2019Date of Patent: March 21, 2023Assignee: Intel CorporationInventors: Travis W. Lajoie, Abhishek A. Sharma, Van H. Le, Chieh-Jen Ku, Pei-Hua Wang, Jack T. Kavalieros, Bernhard Sell, Tahir Ghani, Gregory George, Akash Garg, Julie Rollins, Allen B. Gardiner, Shem Ogadhoh, Juan G. Alzate Vinasco, Umut Arslan, Fatih Hamzaoglu, Nikhil Mehta, Yu-Wen Huang, Shu Zhou
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Publication number: 20230067765Abstract: IC devices implementing bilayer stacking with lines shared between bottom and top memory layers, and associated systems and methods, are disclosed. An example IC device includes a support structure, a front end of line (FEOL) layer and a back end of line (BEOL) layer. The BEOL layer includes a first memory cell in a first layer over the support structure, an electrically conductive line in a second layer, above the first layer, and a second memory cell in a third layer, above the second layer. The line could be one of a wordline, a bitline, or a plateline that is shared between the first and second memory cells. In particular, bilayer stacking line sharing is such that only one line is provided as a line to be shared between one or more of the memory cells of the first layer and one or more memory cells of the third layer.Type: ApplicationFiled: August 24, 2021Publication date: March 2, 2023Inventors: Abhishek A. Sharma, Noriyuki Sato, Van H. Le, Sarah Atanasov, Hui Jae Yoo, Bernhard Sell, Pei-hua Wang, Travis W. Lajoie, Chieh-Jen Ku, Juan G. Alzate-Vinasco, Fatih Hamzaoglu
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Method of contact patterning of thin film transistors for embedded DRAM using a multi-layer hardmask
Patent number: 11563107Abstract: An integrated circuit structure comprises one or more backend-of-line (BEOL) interconnects formed over a first ILD layer. An etch stop layer is over the one or more BEOL interconnects, the etch stop layer having a plurality of vias that are in contact with the one or more BEOL interconnects. An array of BEOL thin-film-transistors (TFTs) is over the etch stop layer, wherein adjacent ones of the BEOL TFTs are separated by isolation trench regions. The TFTs are aligned with at least one of the plurality of vias to connect to the one or more BEOL interconnects, wherein each of the BEOL TFTs comprise a bottom gate electrode, a gate dielectric layer over the bottom gate electrode, and an oxide-based semiconductor channel layer over the bottom gate electrode having source and drain regions therein. Contacts are formed over the source and drain regions of each of BEOL TFTs, wherein the contacts have a critical dimension of 35 nm or less, and wherein the BEOL TFTs have an absence of diluted hydro-fluoride (DHF).Type: GrantFiled: March 22, 2019Date of Patent: January 24, 2023Assignee: Intel CorporationInventors: Chieh-Jen Ku, Bernhard Sell, Pei-Hua Wang, Nikhil Mehta, Shu Zhou, Jared Stoeger, Allen B. Gardiner, Akash Garg, Shem Ogadhoh, Vinaykumar Hadagali, Travis W. Lajoie -
Publication number: 20220415897Abstract: A device structure includes a first interconnect line along a longitudinal direction and a second interconnect line parallel to the first interconnect line, where the first interconnect structure is within a first metallization level and the second interconnect line is within a second metallization level. A first transistor and a laterally separated second transistor are on a same plane above the second interconnect line, where a gate of the first transistor is coupled to the first interconnect line and a gate of the second transistor is coupled to the second interconnect line. A first capacitor is coupled to a first terminal of the first transistor and a second capacitor is coupled to a first terminal of the second transistor. A third interconnect line couples a second terminal of the first transistor with a second terminal of the second transistor.Type: ApplicationFiled: June 25, 2021Publication date: December 29, 2022Applicant: Intel CorporationInventors: Juan G. Alzate-Vinasco, Travis W. LaJoie, Elliot N. Tan, Kimberly Pierce, Shem Ogadhoh, Abhishek A. Sharma, Bernhard Sell, Pei-Hua Wang, Chieh-Jen Ku
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Publication number: 20220415896Abstract: A device structure includes transistors on a first level in a first region and a first plurality of capacitors on a second level, above the first level, where a first electrode of the individual ones of the first plurality of capacitors are coupled with a respective transistor. The device structure further includes a second plurality of capacitors on the second level in a second region adjacent the first region, where individual ones of the second plurality of capacitors include a second electrode, a third electrode and an insulator layer therebetween, where the second electrode of the individual ones of the plurality of capacitors are coupled with a first interconnect on a third level above the second level, and where the third electrode of the individual ones of the plurality of capacitors are coupled with a second interconnect.Type: ApplicationFiled: June 25, 2021Publication date: December 29, 2022Applicant: Intel CorporationInventors: Juan G. Alzate-Vinasco, Travis W. LaJoie, Wilfred Gomes, Fatih Hamzaoglu, Pulkit Jain, James Waldemer, Mark Armstrong, Bernhard Sell, Pei-Hua Wang, Chieh-Jen Ku
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Publication number: 20220372654Abstract: Methods are provided for multiplexed amplification of selected targets and analysis of the amplified targets. In preferred aspects the amplification and analysis take place on the same solid support and preferably in a localized area such as a bead or a feature of an array. In preferred aspects the analysis is a determination of sequence at one or more locations in the amplified target. The methods may be used for genotyping, sequencing and analysis of copy number.Type: ApplicationFiled: August 5, 2022Publication date: November 24, 2022Inventors: Glenn FU, Michael SHAPERO, Pei-Hua WANG
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Publication number: 20220359758Abstract: Transistors with metal oxide channel material and a multi-composition gate dielectric. A surface of a metal oxide gate dielectric may be nitrided before deposition of a metal oxide channel material, for example to reduce gate capacitance of a TFT. Breakdown voltage and/or drive current of a TFT can be increased through the introduction of an additional metal oxide and/or nitride between the gate electrode and a metal oxide gate dielectric. The introduction of an intervening layer between two layers of a metal oxide gate dielectric can also increase breakdown voltage and/or drive current of a TFT.Type: ApplicationFiled: May 5, 2021Publication date: November 10, 2022Applicant: Intel CorporationInventors: Shailesh Kumar Madisetti, Chieh-Jen Ku, Wen-Chiang Hong, Pei-Hua Wang, Cheng Tan, Harish Ganapathy, Bernhard Sell, Lin-Yung Wang
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Publication number: 20220320275Abstract: An integrated circuit includes a base, a first transistor structure on or above the base, and a second transistor structure on or above the base, where the second transistor structure is spaced from the first transistor structure. An insulator material at least partially encapsulates an airgap or other gas pocket laterally between the first transistor structure and the second transistor structure. The gas pocket is at least 5 nm in height and at least 5 nm wide according to an embodiment, and in some cases is as tall or taller than active device layers of the transistor structures it separates.Type: ApplicationFiled: June 23, 2022Publication date: October 6, 2022Inventors: Travis W. LAJOIE, Abhishek A. SHARMA, Juan ALZATE-VINASCO, Chieh-Jen KU, Shem OGADHOH, Allen B. GARDINER, Blake LIN, Yih WANG, Pei-Hua WANG, Jack T. KAVALIEROS, Bernhard SELL, Tahir GHANI
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Patent number: 11462541Abstract: Embodiments herein describe techniques for a semiconductor device including a substrate oriented in a horizontal direction, and a memory cell including a transistor and a capacitor above the substrate. The transistor includes a gate electrode oriented in a vertical direction substantially orthogonal to the horizontal direction, and a channel layer oriented in the vertical direction, around the gate electrode and separated by a gate dielectric layer from the gate electrode. The capacitor is within an inter-level dielectric layer above the substrate. The capacitor includes a first plate coupled with a second portion of the channel layer of the transistor, and a second plate separated from the first plate by a capacitor dielectric layer. The first plate of the capacitor is also a source electrode of the transistor. Other embodiments may be described and/or claimed.Type: GrantFiled: December 17, 2018Date of Patent: October 4, 2022Assignee: Intel CorporationInventors: Juan G. Alzate Vinasco, Abhishek A. Sharma, Fatih Hamzaoglu, Bernhard Sell, Pei-Hua Wang, Van H. Le, Jack T. Kavalieros, Tahir Ghani, Chieh-Jen Ku, Travis W. Lajoie, Umut Arslan
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Publication number: 20220310849Abstract: Embodiments herein describe techniques for a semiconductor device including a capacitor and a transistor above the capacitor. A contact electrode may be shared between the capacitor and the transistor. The capacitor includes a first plate above a substrate, and the shared contact electrode above the first plate and separated from the first plate by a capacitor dielectric layer, where the shared contact electrode acts as a second plate for the capacitor. The transistor includes a gate electrode above the substrate and above the capacitor; a channel layer separated from the gate electrode by a gate dielectric layer, and in contact with the shared contact electrode; and a source electrode above the channel layer, separated from the gate electrode by the gate dielectric layer, and in contact with the channel layer. The shared contact electrode acts as a drain electrode of the transistor. Other embodiments may be described and/or claimed.Type: ApplicationFiled: June 14, 2022Publication date: September 29, 2022Inventors: Travis W. LAJOIE, Abhishek SHARMA, Van H. LE, Chieh-Jen KU, Pei-Hua WANG, Jack T. KAVALIEROS, Bernhard SELL, Tahir GHANI, Juan ALZATE VINASCO
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Patent number: 11450669Abstract: Described herein are arrays of embedded dynamic random-access memory (eDRAM) cells that use TFTs as selector transistors. When at least some selector transistors are implemented as TFTs, different eDRAM cells may be provided in different layers above a substrate, enabling a stacked architecture. An example stacked TFT based eDRAM includes one or more memory cells provided in a first layer over a substrate and one or more memory cells provided in a second layer, above the first layer, where at least the memory cells in the second layer, but preferably the memory cells in both the first and second layers, use TFTs as selector transistors. Stacked TFT based eDRAM allows increasing density of memory cells in a memory array having a given footprint area, or, conversely, reducing the footprint area of the memory array with a given memory cell density.Type: GrantFiled: July 24, 2018Date of Patent: September 20, 2022Assignee: Intel CorporationInventors: Abhishek A. Sharma, Juan G. Alzate-Vinasco, Fatih Hamzaoglu, Bernhard Sell, Pei-hua Wang, Van H. Le, Jack T. Kavalieros, Tahir Ghani, Umut Arslan, Travis W. Lajoie, Chieh-jen Ku
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Patent number: 11426181Abstract: A tool for a bone implant includes a sleeve and a transmission rod including a transmission member disposed on an end of a shaft. Another end of the shaft is located outside of the sleeve. The transmission member is received in the sleeve and includes a first compartment and a plurality of first teeth surrounding the first compartment. A drilling rod includes a second compartment and a plurality of second teeth surrounding the second compartment. A coupling portion is disposed between the second compartment and a bit. The coupling portion is coupled with the sleeve. The bit is located outside of the sleeve. Two magnets are disposed in the first and second compartments, respectively. Two same poles respectively of the two magnets face each other.Type: GrantFiled: February 2, 2021Date of Patent: August 30, 2022Assignee: METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTREInventors: Tung-Lin Tsai, Chun-Chieh Tseng, Yue-Jun Wang, Chun-Ming Chen, Li-Wen Weng, Pei-Hua Wang
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Patent number: 11408094Abstract: Methods are provided for multiplexed amplification of selected targets and analysis of the amplified targets. In preferred aspects the amplification and analysis take place on the same solid support and preferably in a localized area such as a bead or a feature of an array. In preferred aspects the analysis is a determination of sequence at one or more locations in the amplified target. The methods may be used for genotyping, sequencing and analysis of copy number.Type: GrantFiled: May 3, 2019Date of Patent: August 9, 2022Assignee: AFFYMETRIX, INC.Inventors: Glenn Fu, Michael Shapero, Pei-Hua Wang
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Patent number: 11404536Abstract: An integrated circuit includes a base, a first transistor structure on or above the base, and a second transistor structure on or above the base, where the second transistor structure is spaced from the first transistor structure. An insulator material at least partially encapsulates an airgap or other gas pocket laterally between the first transistor structure and the second transistor structure. The gas pocket is at least 5 nm in height and at least 5 nm wide according to an embodiment, and in some cases is as tall or taller than active device layers of the transistor structures it separates.Type: GrantFiled: March 30, 2018Date of Patent: August 2, 2022Assignee: Intel CorporationInventors: Travis W. LaJoie, Abhishek A. Sharma, Juan Alzate-Vinasco, Chieh-Jen Ku, Shem Ogadhoh, Allen B. Gardiner, Blake Lin, Yih Wang, Pei-Hua Wang, Jack T. Kavalieros, Bernhard Sell, Tahir Ghani