Abstract:
Provided is a compressible thermal interface material including a polymer, a thermally conductive filler, and a phase change material. A formulation for forming a compressible thermal interface material and an electronic component including a compressible thermal interface material are also provided.
Abstract:
Phosphorous-comprising dopants, methods for forming phosphorous-doped regions in a semiconductor material, and methods for fabricating phosphorous-comprising dopants are provided. In one embodiment, a phosphorous-comprising dopant comprises a phosphorous source comprising a phosphorous-comprising salt, a phosphorous-comprising acid, phosphorous-comprising anions, or a combination thereof, an alkaline material, cations from an alkaline material, or a combination thereof, and a liquid medium.
Abstract:
Disclosed are LEDs and LED packages, and methods of making them, having improved resistance to infiltration by chemical entities comprising providing a coating on at least a portion of the LED chip or an LED chip package formed by co-polymerization of: (a) one or more hydrofluoroolefin monomer(s) selected from the group consisting of tetrafluoroethylene, hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these; (b) optionally one or more chlorofluoroethylene monomers; (c) optionally one or more vinyl ester monomer(s); and (d) optionally one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is preferably a hydroxyl group-containing vinyl ether monomer and preferably at least one of (b) and (d) is present.
Abstract:
Disclosed are protective coating compositions having enhanced gloss retention properties formed by steps comprising: (i) providing one or more fluorocopolymers by copolymerization of (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, (2) one or more vinyl ester monomer(s), and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer, wherein the copolymer preferably has a number average molecular weight of greater than about 10,000; (ii) providing a VOC containing carrier for said one or more fluorocopolymers; and (iii) providing a stabilizing agent comprising: a) a radical scavenger and b) an absorber of UV light; and (iv) combining said one or more fluorocopolymers with said carrier and said stabilizing agent to produce a polymeric coating composition.
Abstract:
Poly fluorine-containing siloxane coatings having improved hydrophobic and oleophobic properties and solutions for creating such coatings are provided. In some embodiments, the coating includes a polymer having a plurality of Si-O-Si linkages; and at least two fluorine-containing moieties, each attached to at least one of the Si-O-Si linkages. Each fluorine-containing moiety independently includes a linking portion attached to a silicon of one of the Si-O-Si linkages, wherein the linking portion is of a formula selected from the group consisting of: -[CH 2 ] a - where a is an integer from 1 to 10 and -[CH 2 ] b CONH[CH 2 ] c - where b and c are independently an integer from 0 to 10. Each fluorine-containing moiety also independently includes a fluorinated portion attached to the linking portion, wherein the fluorinated portion is selected from a fluorinated-alkyl group having 1-10 carbon atoms and a perfluoro-ether containing organic group.
Abstract:
Substantially silane-free phosphorous-comprising dopants, methods for forming phosphorous-doped regions in a semiconductor material using substantially silane-free phosphorous-comprising dopants, and a method for fabricating substantially silane-free phosphorous-comprising dopants are provided. A phosphorous-comprising dopant comprises a phosphorous source comprising a phosphorous-comprising salt, a phosphorous-comprising acid, phosphorous-comprising anions, or combinations thereof, an alkaline material, cations from an alkaline material, or combinations thereof, and a liquid medium. The phosphorous-comprising dopant comprises less than 0.1wt.% silanes, oligomers and/or polymers derived from silanes, or a combination thereof.
Abstract:
Methods for simultaneously forming doped regions of opposite conductivity using non-contact printing processes are provided. In one exemplary embodiment, a method comprises the steps of depositing a first liquid dopant comprising first conductivity-determining type dopant elements overlying a first region of a semiconductor material and depositing a second liquid dopant comprising second conductivity-determining type dopant elements overlying a second region of the semiconductor material. The first conductivity-determining type dopant elements and the second conductivity-determining type dopant elements are of opposite conductivity. At least a portion of the first conductivity-determining type dopant elements and at least a portion of the second conductivity-determining type dopant elements are simultaneously diffused into the first region and into the second region, respectively.
Abstract:
Copolymers formed by copolymerization of: (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydro fluoroethylenes, hydro fluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these; (2) one or more aromatic vinyl ester monomer(s); (3) one or more vinyl ester monomer(s); and (4) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer.
Abstract:
A process of producing an endcapped fluorocopolymer including the forming of a fluorocopolymer by copolymerization of: (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydro fluoroethylenes, hydro fluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these; (2) one or more vinyl ester monomer(s); and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydro xyl group-containing vinyl ether monomer; and at the end of copolymerization, reacting a radical transfer agent, preferably methanol, with the fluorocopolymer to produce the endcapped fluorocopolymer, preferably containing ether end groups.
Abstract:
Disclosed are protective coating compositions having enhanced gloss retention properties formed by steps comprising: (i) providing one or more fluorocopolymers by copolymerization of (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, (2) one or more vinyl ester monomer(s), and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer, wherein the copolymer preferably has a number average molecular weight of greater than about 10,000; (ii) providing a VOC containing carrier for said one or more fluorocopolymers; and (iii) providing a stabilizing agent comprising: a) a radical scavenger and b) an absorber of UV light; and (iv) combining said one or more fluorocopolymers with said carrier and said stabilizing agent to produce a polymeric coating composition.