Patents by Inventor Jarkko J. Pietikainen
Jarkko J. Pietikainen 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: 7643717Abstract: Waveguides are disclosed (and other devices and materials including but not limited to hybrid organic-inorganic coatings, passivation materials, glob top materials, underfill materials, materials for IC and other applications, microlenses and any of a wide variety of optical devices) that benefit by being formed of a novel hybrid organic-inorganic material. In one embodiment of the invention, a method for making a waveguide includes: forming a lower cladding layer on a substrate; forming a core layer after the lower cladding layer; and forming an upper cladding layer after the core layer; wherein the lower cladding layer, core layer and/or upper cladding layer comprises a hybrid organic-inorganic material—that has many desirable properties relating to stability, hydrophobicity, roughness, optical absorbance, polarization dependent loss, among others.Type: GrantFiled: May 17, 2002Date of Patent: January 5, 2010Assignee: Silecs OyInventors: Juha T. Rantala, Arto L. T. Maaninen, T. Teemu T. Tormanen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Patent number: 7161019Abstract: A compound of the general formula R1MR4R5R6 is provided where R1 is a partially or fully fluorinated aryl, alkyl, alkenyl or alkynyl group, wherein M is selected from group 14 of the periodic table, wherein R4, R5 and R6 are independently an alkoxy group OR3 or a halogen group X—except, a) where R4, R5 and R6 are each ethoxy, M is Si and R1 is perfluorinated phenyl or perfluorinated vinyl; b) where R4 is ethoxy, R5 and R6 are chlorine, M is Si, and R1 is perfluorinated phenyl; or c) where R4, R5 and R6 are chlorine, M is Si, and R1 is perfluorinated phenyl, perfluorinated methyl or perfluorinated vinyl. This compound formed can be further reacted to attach an additional organic R group, and/or hydrolyzed, alone or with one or more similar compounds, to form a material having a molecular weight of from 500 to 10,000, which material can be deposited on various substrates as a coating or deposited and patterned for a waveguide or other optical device components.Type: GrantFiled: June 8, 2004Date of Patent: January 9, 2007Assignee: Silecs OyInventors: Juha A. Rantala, Arto L. T. Maaninen, Tina J. Maaninen, Jarkko J. Pietikainen
-
Patent number: 7098346Abstract: A compound of the general formula: R1R2R4MR5, wherein R1, R2 and R4 are independently an aryl, alkyl, alkenyl or alkynyl group, wherein at least one of R1, R2 and R4 is fully or partially fluorinated, wherein M is selected from group 14 of the periodic table, and wherein R5 is either an alkoxy group, OR3, or a halogen group, X. This compound formed can be further reacted to attach an additional organic R group, and/or hydrolyzed with one or more similar compounds (preferably having one or two R groups bound to M), to form a material having a molecular weight of from 500 to 10,000, which material can be deposited on various substrates as a coating or deposited and patterned for a waveguide or other optical device components. Methods for making and using compounds of the general formula R1R2R4MR5 are also disclosed.Type: GrantFiled: December 8, 2004Date of Patent: August 29, 2006Assignee: Silecs OyInventors: Juha A. Rantala, Arto L. T. Maaninen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Patent number: 7062145Abstract: Waveguides are disclosed (and other devices and materials including but not limited to hydrophobic coatings, passivation materials, glob top materials, underfill materials, dielectric materials for IC and other applications, microlenses and any of a wide variety of optical devices) that benefit by a high hydrophobicity and high stability and, among other things. In one embodiment of the invention, a method for making a waveguide comprises: forming a lower cladding layer on a substrate; forming a core layer after the lower cladding layer; and forming an upper cladding layer after the core layer; wherein the lower cladding layer, core layer and/or upper cladding layer is hydrophobic and results, if exposed to water, in a water contact angle of 90 degrees or more.Type: GrantFiled: May 17, 2002Date of Patent: June 13, 2006Assignee: Silecs OyInventors: Juha T. Rantala, Arto L. T. Maaninen, T. Teemu T. Tormanen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Patent number: 6924384Abstract: A compound of the general formula R1R2MR4R5 is disclosed wherein R1 and R2 are independently an aryl, alkyl, alkenyl, epoxy or alkynyl group, wherein at least one of R1 and R2 is fully or partially fluorinated, wherein M is selected from group 14 of the periodic table, wherein R4 and R5 are independently an alkoxy group, OR3, or a halogen group, X, except where M is Si, R4 and R5 are both ethoxy groups or both chlorine groups, and R1 and R2 are perfluorinated groups. This compound formed can be further reacted to attach an additional organic R group, and/or hydrolyzed, alone or with one or more similar compounds, to form a material having a molecular weight of from 500 to 10,000, which material can be deposited on various substrates as a coating or deposited and patterned for a waveguide or other optical device components. Methods for making compounds of the general formula R1MR4R5R6 are also disclosed.Type: GrantFiled: January 8, 2002Date of Patent: August 2, 2005Assignee: Silecs OyInventors: Juha T. Rantala, Arto L. T. Maaninen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Patent number: 6831189Abstract: A method comprises reacting a compound of the general formula R14-mMOR3m wherein m is an integer from 2 to 4, R1 is selected from alkyl, alkenyl, aryl, alkynyl or epoxy, and wherein R1 is nonfluorinated, or fully or partially fluorinated; OR3 is alkoxy; and M is an element selected from group 14 of the periodic table; with a compound of the general formula R2M1 wherein R2 is selected from alkyl, alkenyl, aryl, alkynyl or epoxy, and wherein R2 is at least partially fluorinated; and M1 is an element from group I of the periodic table; so as to make a compound of the general formula R14-mMOR3m-1R2.Type: GrantFiled: January 8, 2002Date of Patent: December 14, 2004Assignee: Silecs OyInventors: Juha A. Rantala, Arto L. T. Maaninen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Patent number: 6803476Abstract: A method comprises reacting a compound of the general formula R14−mMOR3m wherein m is an integer from 2 to 4, OR3 is an alkoxy group, and M is an element selected from group 14 of the periodic table; with a compound of the general formula R2X2+Mg, wherein X2 is Br or I; where R1 and R2 are independently selected from alkyl, alkenyl, aryl, alkynyl, or epoxy, and wherein at least one of R1 and R2 is partially or fully fluorinated; so as to make a compound of the general formula R2R14−mMOR3m−1; followed by reacting R2R14−mMOR3m−1 with a halogen or halogen compound in order to replace one or more OR3 groups with a halogen group so as to form R2R14−mMOR3m−1−nXn, where X is a halogen and n is from 1 to 3 and m<n—except where R1 is fluorinated phenyl, M is Si and OR3 is ethoxy.Type: GrantFiled: January 8, 2002Date of Patent: October 12, 2004Assignee: Silecs OyInventors: Juha T. Rantala, Arto L. T. Maaninen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Publication number: 20040005131Abstract: Waveguides and other devices and materials (including but not limited to waveguides, microlenses, and other optical device components), both planer and freespace devices benefit by having a high transparency or low optical loss profile at particular wavelengths. A method for making a waveguide comprises forming a lower cladding layer on a substrate; forming a core layer after the lower cladding layer, and forming an upper cladding layer after the core layer; wherein the lower cladding layer, core layer and/or upper cladding layer comprises a material having an optical loss of 0.1 dB/cm or less at 1550 nm, 1310 nm, C Band and/or L Band. The material having low optical loss also has other desirable properties in the areas of ease and temperature of deposition, hydrophobicity, direct patternability (photosensitivity), stress, aspect ratio if patterned, and surface and sidewall roughness (if patterned), among other characteristics.Type: ApplicationFiled: May 17, 2002Publication date: January 8, 2004Inventors: Juha T. Rantala, Arto L.T. Maaninen, T. Teemu T. Tormanen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Publication number: 20030235933Abstract: Waveguides are disclosed (and other devices and materials including but not limited to hybrid organic-inorganic coatings, passivation materials, glob top materials, underfill materials, materials for IC and other applications, microlenses and any of a wide variety of optical devices) that benefit by being formed of a novel hybrid organic-inorganic material. In one embodiment of the invention, a method for making a waveguide includes: forming a lower cladding layer on a substrate; forming a core layer after the lower cladding layer; and forming an upper cladding layer after the core layer; wherein the lower cladding layer, core layer and/or upper cladding layer comprises a hybrid organic-inorganic material—that has many desirable properties relating to stability, hydrophobicity, roughness, optical absorbance, polarization dependent loss, among others.Type: ApplicationFiled: May 17, 2002Publication date: December 25, 2003Inventors: Juha T. Rantala, Arto L. T. Maaninen, T. Teemu T. Tormanen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Publication number: 20030231851Abstract: Waveguides are disclosed (and other devices and materials including but not limited to hydrophobic coatings, passivation materials, glob top materials, underfill materials, dielectric materials for IC and other applications, microlenses and any of a wide variety of optical devices) that benefit by a high hydrophobicity and high stability and, among other things. In one embodiment of the invention, a method for making a waveguide comprises: forming a lower cladding layer on a substrate; forming a core layer after the lower cladding layer; and forming an upper cladding layer after the core layer; wherein the lower cladding layer, core layer and/or upper cladding layer is hydrophobic and results, if exposed to water, in a water contact angle of 90 degrees or more.Type: ApplicationFiled: May 17, 2002Publication date: December 18, 2003Inventors: Juha T. Rantala, Arto L. T. Maaninen, T. Teemu T. Tormanen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Publication number: 20030176718Abstract: A compound of the general formula: R1R2R4MR5, wherein R1, R2 and R4 are independently an aryl, alkyl, alkenyl or alkynyl group, wherein at least one of R1, R2 and R4 is fully or partially fluorinated, wherein M is selected from group 14 of the periodic table, and wherein R5 is either an alkoxy group, OR3, or a halogen group, X. This compound formed can be further reacted to attach an additional organic R group, and/or hydrolyzed with one or more similar compounds (preferably having one or two R groups bound to M), to form a material having a molecular weight of from 500 to 10,000, which material can be deposited on various substrates as a coating or deposited and patterned for a waveguide or other optical device components. Methods for making and using compounds of the general formula R1R2R4MR5 are also disclosed.Type: ApplicationFiled: January 8, 2002Publication date: September 18, 2003Inventors: Juha T. Rantala, Arto L.T. Maaninen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Publication number: 20030171607Abstract: A compound of the general formula R1MR4R5R6 is provided where R1 is a partially or fully fluorinated aryl, alkyl, alkenyl or alkynyl group, wherein M is selected from group 14 of the periodic table, wherein R4, R5 and R6 are independently an alkoxy group OR3 or a halogen group X—except, a) where R4, R5 and R6 are each ethoxy, M is Si and R1 is perfluorinated phenyl or perfluorinated vinyl; b) where R4 is ethoxy, R5 and R6 are chlorine, M is Si, and R1 is perfluorinated phenyl; or c) where R4, R5 and R6 are chlorine, M is Si, and R1 is perfluorinated phenyl, perfluorinated methyl or perfluorinated vinyl. This compound formed can be further reacted to attach an additional organic R group, and/or hydrolyzed, alone or with one or more similar compounds, to form a material having a molecular weight of from 500 to 10,000, which material can be deposited on various substrates as a coating or deposited and patterned for a waveguide or other optical device components.Type: ApplicationFiled: January 8, 2002Publication date: September 11, 2003Inventors: Juha T. Rantala, Arto L. T. Maaninen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Publication number: 20030166953Abstract: A method comprises reacting a compound of the general formula R14-mMOR3m wherein m is an integer from 2 to 4, OR3 is an alkoxy group, and M is an element selected from group 14 of the periodic table; with a compound of the general formula R2X2+Mg, wherein X2 is Br or I; where R1 and R2 are independently selected from alkyl, alkenyl, aryl, alkynyl, or epoxy, and wherein at least one of R1 and R2 is partially or fully fluorinated; so as to make a compound of the general formula R2R14-mMOR3m-1; followed by reacting R2R14-mMOR3m-1 with a halogen or halogen compound in order to replace one or more OR3 groups with a halogen group so as to form R2R14-mMOR3m-1-nXn, where X is a halogen and n is from 1 to 3 and m<n—except where R1 is fluorinated phenyl, M is Si and OR3 is ethoxy.Type: ApplicationFiled: January 8, 2002Publication date: September 4, 2003Inventors: Juha T. Rantala, Arto L.T. Maaninen, Tina J. Maaninen, Jarkko J. Pietikainen
-
Publication number: 20030166954Abstract: A method comprises reacting a compound of the general formula R14-mMOR3m wherein m is an integer from 2 to 4, R1 is selected from alkyl, alkenyl, aryl, alkynyl or epoxy, and wherein R1 is nonfluorinated, or fully or partially fluorinated; OR3 is alkoxy; and M is an element selected from group 14 of the periodic table; with a compound of the general formula R2M1 wherein R2 is selected from alkyl, alkenyl, aryl, alkynyl or epoxy, and wherein R2 is at least partially fluorinated; and M1 is an element from group I of the periodic table; so as to make a compound of the general formula R14-mMOR3m-1R2.Type: ApplicationFiled: January 8, 2002Publication date: September 4, 2003Inventors: Juha T. Rantala, Arto L. T. Maaninen, Tiina J. Maaninen, Jarkko J. Pietikainen
-
Publication number: 20030162985Abstract: A compound of the general formula R1R2MR4R5 is disclosed wherein R1 and R2 are independently an aryl, alkyl, alkenyl, epoxy or alkynyl group, wherein at least one of R1 and R2 is fully or partially fluorinated, wherein M is selected from group 14 of the periodic table, wherein R4 and R5 are independently an alkoxy group, OR3, or a halogen group, X, except where M is Si, R4 and R5 are both ethoxy groups or both chlorine groups, and R1 and R2 are perfluorinated groups. This compound formed can be further reacted to attach an additional organic R group, and/or hydrolyzed, alone or with one or more similar compounds, to form a material having a molecular weight of from 500 to 10,000, which material can be deposited on various substrates as a coating or deposited and patterned for a waveguide or other optical device components. Methods for making compounds of the general formula R1MR4R5R6 are also disclosed.Type: ApplicationFiled: January 8, 2002Publication date: August 28, 2003Inventors: Juha T. Rantala, Arto L.T. Maaninen, Tiina J. Maaninen, Jarkko J. Pietikainen