Patents by Inventor Willi Volksen
Willi Volksen 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: 11498063Abstract: A porous substrate susceptible to one or both of hydroxylation and alkoxylation by a first protic solvent is exposed to a first relative pressure of the first protic solvent. The porous substrate includes a first plurality of pores having a first average pore diameter and a second plurality of pores having a second average pore diameter that is greater than the first average pore diameter. The first relative pressure is effective to one or both of hydroxylate or alkoxylate substantially only pores of the first average pore diameter to form a first modified porous substrate. The first modified porous substrate is reacted with a first functionalizing reagent that is effective to functionalize one or both of hydroxylated or alkoxylated surfaces, thereby functionalizing substantially only the first plurality of the pores, to form a first functionalized porous substrate.Type: GrantFiled: October 4, 2019Date of Patent: November 15, 2022Assignee: International Business Machines CorporationInventors: Geraud J. Dubois, Bruno Michel, Patrick Ruch, Sarmenio Saliba, Willi Volksen
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Patent number: 11371143Abstract: Provided is a pore-filling method for protecting the pores of a porous material. The method, which is performed using a modified i-CVD technique, involves filling the pores of a porous material with a gas phase monomer within a pressure chamber and subsequently polymerizing the monomer, both within the pores and on the surface of the material as an overburden. The method is solvent-free and can fill and protect pores of any size of any material.Type: GrantFiled: May 31, 2019Date of Patent: June 28, 2022Assignees: International Business Machines Corporation, Tokyo Electron LimitedInventors: Krystelle Lionti, Geraud Jean-Michel Dubois, Willi Volksen, Jacques Faguet
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Patent number: 11174412Abstract: Disclosed is a method for mechanically anchoring polymers on the surface of a porous substrate by trapping polymer chains within the pores of the substrate under capillary forces. Surface modification of the porous substrate is achieved by anchoring one end of the polymer chains within the pores while one or more other ends of the polymer chains dangle from the surface of the porous substrate. The method provides a unique way of modifying the surface of a material without chemical reactions or precursor-substrate interactions.Type: GrantFiled: June 14, 2019Date of Patent: November 16, 2021Assignee: International Business Machines CorporationInventors: Geraud J.M. Dubois, Krystelle Lionti, Teddie P. Magbitang, Willi Volksen
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Patent number: 11168234Abstract: The present invention relates to CNT filled polymer composite system possessing a high thermal conductivity and high temperature stability so that it is a highly thermally conductive for use in 3D and 4D integration for joining device sub-laminate layers. The CNT/polymer composite also has a CTE close to that of Si, enabling a reduced wafer structural warping during high temperature processing cycling. The composition is tailored to be suitable for coating, curing and patterning by means conventionally known in the art.Type: GrantFiled: January 23, 2020Date of Patent: November 9, 2021Assignee: International Business Machines CorporationInventors: James L. Hedrick, Robert D. Miller, Deborah A. Neumayer, Sampath Purushothaman, Mary E. Rothwell, Willi Volksen, Roy R. Yu
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Publication number: 20200378001Abstract: Provided is a pore-filling method for protecting the pores of a porous material. The method, which is performed using a modified i-CVD technique, involves filling the pores of a porous material with a gas phase monomer within a pressure chamber and subsequently polymerizing the monomer, both within the pores and on the surface of the material as an overburden. The method is solvent-free and can fill and protect pores of any size of any material.Type: ApplicationFiled: May 31, 2019Publication date: December 3, 2020Inventors: Krystelle Lionti, Geraud Jean-Michel Dubois, Willi Volksen, Jacques Faguet
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Patent number: 10767084Abstract: The present invention related to CNT filled polymer composite system possessing a high thermal conductivity and high temperature stability so that it is a highly thermally conductive for use in 3D and 4D integration for joining device sub-laminate layers. The CNT/polymer composite also has a CTE close to that of Si, enabling a reduced wafer structural warping during high temperature processing cycling. The composition is tailored to be suitable for coating, curing and patterning by means conventionally known in the art.Type: GrantFiled: June 8, 2018Date of Patent: September 8, 2020Assignee: International Business Machines CorporationInventors: James L. Hedrick, Robert Dennis Miller, Deborah Ann Neumayer, Sampath Purushothaman, Mary E. Rothwell, Willi Volksen, Roy R. Yu
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Publication number: 20200165494Abstract: The present invention relates to CNT filled polymer composite system possessing a high thermal conductivity and high temperature stability so that it is a highly thermally conductive for use in 3D and 4D integration for joining device sub-laminate layers. The CNT/polymer composite also has a CTE close to that of Si, enabling a reduced wafer structural warping during high temperature processing cycling. The composition is tailored to be suitable for coating, curing and patterning by means conventionally known in the art.Type: ApplicationFiled: January 23, 2020Publication date: May 28, 2020Inventors: James L. Hedrick, Robert D. Miller, Deborah A. Neumayer, Sampath Purushothaman, Mary E. Rothwell, Willi Volksen, Roy R. Yu
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Publication number: 20200030784Abstract: A porous substrate susceptible to one or both of hydroxylation and alkoxylation by a first protic solvent is exposed to a first relative pressure of the first protic solvent. The porous substrate includes a first plurality of pores having a first average pore diameter and a second plurality of pores having a second average pore diameter that is greater than the first average pore diameter. The first relative pressure is effective to one or both of hydroxylate or alkoxylate substantially only pores of the first average pore diameter to form a first modified porous substrate. The first modified porous substrate is reacted with a first functionalizing reagent that is effective to functionalize one or both of hydroxylated or alkoxylated surfaces, thereby functionalizing substantially only the first plurality of the pores, to form a first functionalized porous substrate.Type: ApplicationFiled: October 4, 2019Publication date: January 30, 2020Inventors: Geraud J. Dubois, Bruno Michel, Patrick Ruch, Sarmenio Saliba, Willi Volksen
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Publication number: 20190378781Abstract: The present invention relates to CNT filled polymer composite system possessing a high thermal conductivity and high temperature stability so that it is a highly thermally conductive for use in 3D and 4D integration for joining device sub-laminate layers. The CNT/polymer composite also has a CTE close to that of Si, enabling a reduced wafer structural warping during high temperature processing cycling. The composition is tailored to be suitable for coating, curing and patterning by means conventionally known in the art.Type: ApplicationFiled: June 7, 2018Publication date: December 12, 2019Inventors: James L. Hedrick, Robert Dennis Miller, Deborah Ann Neumayer, Sampath Purushothaman, Mary E. Rothwell, Willi Volksen, Roy R. Yu
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Patent number: 10471418Abstract: A porous substrate susceptible to one or both of hydroxylation and alkoxylation by a first protic solvent is exposed to a first relative pressure of the first protic solvent. The porous substrate includes a first plurality of pores having a first average pore diameter and a second plurality of pores having a second average pore diameter that is greater than the first average pore diameter. The first relative pressure is effective to one or both of hydroxylate or alkoxylate substantially only pores of the first average pore diameter to form a first modified porous substrate. The first modified porous substrate is reacted with a first functionalizing reagent that is effective to functionalize one or both of hydroxylated or alkoxylated surfaces, thereby functionalizing substantially only the first plurality of the pores, to form a first functionalized porous substrate.Type: GrantFiled: October 16, 2015Date of Patent: November 12, 2019Assignee: International Business Machines CorporationInventors: Geraud J. Dubois, Bruno Michel, Patrick Ruch, Sarmenio Saliba, Willi Volksen
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Publication number: 20190322891Abstract: Disclosed is a method for mechanically anchoring polymers on the surface of a porous substrate by trapping polymer chains within the pores of the substrate under capillary forces. Surface modification of the porous substrate is achieved by anchoring one end of the polymer chains within the pores while one or more other ends of the polymer chains dangle from the surface of the porous substrate. The method provides a unique way of modifying the surface of a material without chemical reactions or precursor-substrate interactions.Type: ApplicationFiled: June 14, 2019Publication date: October 24, 2019Inventors: Geraud J.M. Dubois, Krystelle Lionti, Teddie P. Magbitang, Willi Volksen
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Patent number: 10370556Abstract: Disclosed is a method for mechanically anchoring polymers on the surface of a porous substrate by trapping polymer chains within the pores of the substrate under capillary forces. Surface modification of the porous substrate is achieved by anchoring one end of the polymer chains within the pores while one or more other ends of the polymer chains dangle from the surface of the porous substrate. The method provides a unique way of modifying the surface of a material without chemical reactions or precursor-substrate interactions.Type: GrantFiled: December 12, 2016Date of Patent: August 6, 2019Assignee: International Business Machines CorporationInventors: Geraud J. M. Dubois, Krystelle Lionti, Teddie P. Magbitang, Willi Volksen
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Patent number: 10340182Abstract: A process comprises insulating a porous low k substrate with an organic polymer coating where the polymer does not penetrate or substantially penetrate the pores of the substrate, e.g., pores having a pore diameter of about one nm to about 5 nm, thereby completely or substantially mitigating the potential for capacitance increase of the substrate. The substrate comprises porous microcircuit substrate materials with surface pores optionally opening into subsurface pores. The organic polymer has a molecular weight greater than about 5,000 to greater than about 10,000 and a glass transition temperature greater than about 200° C. up to about the processing temperature required for forming the imaging layer and antireflective layer in a microcircuit, e.g., greater than about 225° C. The invention includes production of a product by this process and an article of manufacture embodying these features.Type: GrantFiled: November 30, 2015Date of Patent: July 2, 2019Assignee: International Business Machines corporationInventors: James P. Doyle, Geraud Dubois, Nicholas C. Fuller, Teddie P. Magbitang, Robert D. Miller, Sampath Purushothaman, Willi Volksen
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Publication number: 20190137879Abstract: A crosslinked self-assembled monolayer (SAM), comprising surface groups containing a nitrogen-heterocycle, was formed on an oxygen plasma-treated silicon oxide or hafnium oxide top surface of a substrate. The SAM is covalently bound to the underlying oxide layer. The SAM was patterned by direct write methods using ultraviolet (UV) light of wavelength 193 nm or an electron beam, forming a line-space pattern comprising non-exposed SAM features. The non-exposed SAM features non-covalently bound DNA-wrapped carbon nanotubes (DNA-CNT) deposited from aqueous solution with a selective placement efficiency of about 90%. Good alignment of carbon nanotubes to the long axis of the SAM features was also observed. The resulting patterned biopolymer features were used to prepare a CNT based field effect transistor.Type: ApplicationFiled: November 3, 2017Publication date: May 9, 2019Inventors: Shu-Jen Han, Brian Lin, Hareem T. Maune, Charles T. Rettner, Linda K. Sundberg, Leslie E. Thompson, Hoa D. Truong, Willi Volksen
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Patent number: 10217661Abstract: An article may include a structure including a patterned metal on a surface of a substrate, the patterned metal including metal features separated by gaps of an average dimension of less than about 1000 nm. A porous low dielectric constant material having a dielectric value of less than about 2.7 substantially occupies all gaps. An interface between the metal features and the porous low dielectric constant material may include less than about 0.1% by volume of voids.Type: GrantFiled: September 5, 2017Date of Patent: February 26, 2019Assignee: International Business Machines CorporationInventors: Robert L. Bruce, Geraud J. Dubois, Gregory Fritz, Teddie P. Magbitang, Hiroyuki Miyazoe, Willi Volksen
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Publication number: 20180340100Abstract: The present invention related to CNT filled polymer composite system possessing a high thermal conductivity and high temperature stability so that it is a highly thermally conductive for use in 3D and 4D integration for joining device sub-laminate layers. The CNT/polymer composite also has a CTE close to that of Si, enabling a reduced wafer structural warping during high temperature processing cycling. The composition is tailored to be suitable for coating, curing and patterning by means conventionally known in the art.Type: ApplicationFiled: June 8, 2018Publication date: November 29, 2018Inventors: James L. Hedrick, Robert Dennis Miller, Deborah Ann Neumayer, Sampath Purushothaman, Mary E. Rothwell, Willi Volksen, Roy R. Yu
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Publication number: 20180163076Abstract: Disclosed is a method for mechanically anchoring polymers on the surface of a porous substrate by trapping polymer chains within the pores of the substrate under capillary forces. Surface modification of the porous substrate is achieved by anchoring one end of the polymer chains within the pores while one or more other ends of the polymer chains dangle from the surface of the porous substrate. The method provides a unique way of modifying the surface of a material without chemical reactions or precursor-substrate interactions.Type: ApplicationFiled: December 12, 2016Publication date: June 14, 2018Applicant: International Business Machines CorporationInventors: Geraud J.M. Dubois, Krystelle Lionti, Teddie P. Magbitang, Willi Volksen
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Patent number: 9994741Abstract: The present invention relates to CNT filled polymer composite system possessing a high thermal conductivity and high temperature stability so that it is a highly thermally conductive for use in 3D and 4D integration for joining device sub-laminate layers. The CNT/polymer composite also has a CTE close to that of Si, enabling a reduced wafer structural warping during high temperature processing cycling. The composition is tailored to be suitable for coating, curing and patterning by means conventionally known in the art.Type: GrantFiled: December 13, 2015Date of Patent: June 12, 2018Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: James L. Hedrick, Robert Dennis Miller, Deborah Ann Neumayer, Sampath Purushothaman, Mary E. Rothwell, Willi Volksen, Roy R. Yu
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Publication number: 20170365511Abstract: An article may include a structure including a patterned metal on a surface of a substrate, the patterned metal including metal features separated by gaps of an average dimension of less than about 1000 nm. A porous low dielectric constant material having a dielectric value of less than about 2.7 substantially occupies all gaps. An interface between the metal features and the porous low dielectric constant material may include less than about 0.1% by volume of voids.Type: ApplicationFiled: September 5, 2017Publication date: December 21, 2017Inventors: Robert L. Bruce, Geraud J. Dubois, Gregory Fritz, Teddie P. Magbitang, Hiroyuki Miyazoe, Willi Volksen
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Patent number: 9773698Abstract: An article may include a structure including a patterned metal on a surface of a substrate, the patterned metal including metal features separated by gaps of an average dimension of less than about 1000 nm. A porous low dielectric constant material having a dielectric value of less than about 2.7 substantially occupies all gaps. An interface between the metal features and the porous low dielectric constant material may include less than about 0.1% by volume of voids. A method may include depositing a filling material including a silicon-based resin having a molecular weight of less than about 30,000 Da and a porogen having a molecular weight greater than about 400 Da onto a structure comprising a patterned metal. The deposited filling material may be subjected to a first thermal treatment to substantially fill all gaps, and subjected to a second thermal treatment and a UV radiation treatment.Type: GrantFiled: September 30, 2015Date of Patent: September 26, 2017Assignee: International Business Machines CorporationInventors: Robert L. Bruce, Geraud J. Dubois, Gregory Fritz, Teddie P. Magbitang, Hiroyuki Miyazoe, Willi Volksen