Abstract: A semiconductor device and method of manufacturing the same are provided. The semiconductor device includes a substrate and a gate structure disposed on the substrate. The semiconductor device also includes a source region and a drain region disposed within the substrate. The substrate includes a drift region laterally extending between the source region and the drain region. The semiconductor device further includes a first stressor layer disposed over the drift region of the substrate. The first stressor layer is configured to apply a first stress to the drift region of the substrate. In addition, the semiconductor device includes a second stressor layer disposed on the first stressor layer. The second stressor layer is configured to apply a second stress to the drift region of the substrate, and the first stress is opposite to the second stress.

Abstract: This application describes a method of preparation of a natural graphene cellulose blended fiber, which comprises using a graphite powder as a raw material for preparing a graphene solution, adding the graphene solution to a slurry formed by mixing and dissolving a wood pulp with N-methylmorpholine N-oxide (NMMO), removing the water content thereof to form a spinning dope, and then spinning the spinning dope by a Dry-Jet Wet method to manufacture a natural graphene cellulose blended fiber. The present method does not require a highly toxic hydrazine hydrate solution. Further, by increasing the adding ratio of the graphene solution in the manufacturing process, control of the antistatic properties and thermal transferring functions can be achieved, and thereby various requirements of different consumers can be satisfied. Besides, the fibers can decompose naturally after being used, and thus the product is harmless, natural, and environmentally friendly.

Abstract: This application describes a method of preparation of a natural graphene cellulose blended spunbond nonwoven fabric, which comprises using a graphite powder as a raw material for preparing a graphene solution, adding the graphene solution to a slurry formed by mixing and dissolving a wood pulp with N-methylmorpholine N-oxide (NMMO), removing the water content thereof to form a spinning dope, and then directly preparing the natural graphene cellulose blended spunbond nonwoven fabric by a spunbond process. The present method does not require a highly toxic hydrazine hydrate solution. Further, by increasing the adding ratio of the graphene solution in the manufacturing process, control of the antistatic properties and thermal transferring function can be achieved, and thereby various requirements of different consumers can be satisfied. Besides, the fabric can decompose naturally after being used, and thus the product is harmless, natural, and environmentally friendly.

Abstract: This application describes a method of preparation of a natural graphene cellulose blended meltblown nonwoven fabric, which comprises using a graphite powder as a raw material for preparing a graphene solution, adding the graphene solution to a slurry formed by mixing and dissolving a wood pulp with N-methylmorpholine N-oxide (NMMO), removing the water content thereof to form a spinning dope, and then directly preparing the natural graphene cellulose blended meltblown nonwoven fabric by a meltblown process. The present method does not require a highly toxic hydrazine hydrate solution. Further, by increasing the adding ratio of the graphene solution in the manufacturing process, control of the antistatic properties and thermal transferring function can be achieved, and thereby various requirements of different consumers can be satisfied. Besides, the fabric can decompose naturally after being used, and thus the product is harmless, natural, and environmentally friendly.

Abstract: The present invention provides a fabricating method for meltblown nonwoven from natural cellulose fiber blended with nano silver, which comprises following steps. Firstly, prepare nano silver colloidal sol by reduction titration for mixture of polyvinyl alcohol (PVA), silver nitrate (AgNO3) and sodium borohydride (NaBH4). Secondly, prepare mixing cellulose serum by blending agitation for mixture of wood pulp, N-methylmorpholine N-oxide (NMMO) and stabilizer. Thirdly, prepare blending mucilage from mixing cellulose serum via blending process. Fourthly, produce spinning dope by blending and dehydrating the nano silver colloidal sol and mixing cellulose serum. Fifthly, produce molten filament tow by meltblown spinning method in association with coagulation, regeneration in coagulation bath, and water rinse.

Abstract: The present invention provides a fabricating method for natural cellulose fiber blended with nano silver. The fabricating method comprises following steps: Firstly, prepare nano silver colloidal sol by reduction titration for mixture of polyvinyl alcohol (PVA), silver nitrate (AgNO3) and sodium borohydride (NaBH4). Secondly, prepare mixing cellulose serum by blending agitation for mixture of wood pulp, N-methylmorpholine N-oxide (NMMO) and stabilizer. Thirdly, produce spinning dope by blending and dehydrating the nano silver colloidal sol and mixing cellulose serum. Fourthly, produce fibrous tow by Dry-Jet Wet Spinning method in association with coagulation, regeneration in coagulation bath, and water rinse. Finally, obtain final product of natural cellulose fiber blended with nano silver by post treatments of dry, oil and coil in proper order.

Abstract: The present invention provides a fabricating method for spunbond nonwoven from natural cellulose fiber blended with nano silver, which comprises following steps. Firstly, prepare nano silver colloidal sol by reduction titration for mixture of polyvinyl alcohol (PVA), silver nitrate (AgNO3) and sodium borohydride (NaBH4). Secondly, prepare mixing cellulose serum by blending agitation for mixture of wood pulp, N-methylmorpholine N-oxide (NMMO) and stabilizer. Thirdly, prepare blending mucilage from mixing cellulose serum via blending process. Fourthly, produce spinning dope by blending and dehydrating the nano silver colloidal sol and mixing cellulose serum. Fifthly, produce molten filament tow by spunbond spinning method in association with coagulation, regeneration, water rinse and high-speed stretching process.

Abstract: A spunbond method for producing non-woven fabric with deodorant feature from bamboo cellulose comprises following process steps. Prepare bamboo pulp mixture by blending bamboo pulp and coffee residue in proper mixing ratio. Put N-methylmorpholine N-oxide (NMMO) as solvent and 1, 3-phenylene-bis 2-oxazoline (BOX) as stabilizer into prepared bamboo pulp mixture to form dope. Via spunbond method, orderly perform extruding, spinning, quenching and pre-drawing process to convert the dope into bamboo filaments of fibrous strand. Orderly process coagulation, regeneration and post-draw to the bamboo filaments of fibrous strand to transform them into uniform fine bamboo cellulose filaments. Bond and lay these bamboo filaments of fibrous strand on a belt collector to form a webbed nonwoven.

Abstract: A spunbond method for producing non-woven fabric of natural cellulose with flame-retarding feature comprises following steps. Blend pulp and solvent of N-methylmorpholine N-oxide (NMMO) to form slurry. Evaporate water content from slurry by a Thin Film Evaporator to form dope. Extrude the dope off spin nozzles to form filament strand via spunbond method. Coagulating regenerate, water rinse, hydro-entangled needle-punch and dry the filament strand to form normal natural cellulose nonwoven, which is soaking rolled by flame retardant of N-hydroxymethyl-3-(dimethoxy-phosphate acyl) propyl amide, then orderly bake, alkaline clean, water rinse, dry and wind-up to convert it into modified natural cellulose nonwoven fabrics of long-acting flame retarding feature in coil manner. Because of cross-linking reaction between foregoing flame retardant and natural cellulose nonwoven, the flame-retarding capability thereof meet requirements of testing standards in American ASTM D6413-1999 and ASTM D2863-1995.

Abstract: A spunbond method for producing nonwoven fabrics with hygroscopic metastatic feature. Firstly, fuse prepared bio-polyamide 6,10 into a melt via spunbond method, next extrude and spun and draw the melt to form filaments, then bond and lay the filaments on a conveyer to form a substrate fibrous web of bio-polyamide 6,10. Secondly, blend and dissolve prepared pulp by putting N-methylmorpholine N-oxide (NMMO) dissolving solvent, then dehydrate it to form dope, then extrude the dope out by an extruder with external compressed quenching air for converting it into cellulose filaments, then draw, bond and overlay the cellulose filaments to become uniform natural cellulose filaments on existing substrate fibrous web previously to form an overlaid fibrous web in the conveyer.

Abstract: A stapled melt spinning method for producing nonwoven fabrics with hygroscopic metastatic feature. Firstly, fuse bio-polyamide 6,10 into melt, extrude and spin it out spin heads of extruder into filaments, cool, draw and collect filaments into tow, then extend, cut and card the filaments into the staples, and spread the staples on a conveyer to form fibrous web. Next, blend and dissolve pulp by N-methylmorpholine N-oxide (NMMO) dissolving solvent, dehydrate it to form dope, and extrude and spin it out spin heads of extruder into filaments, then cool, draw and collect filaments into tow, and extend, cut and card filaments into staples, then overlay the staples over existing fibrous web to form a composite fibrous web of bio-polyamide 6,10 and cellulose filaments. Finally, coagulate, regenerate and convert fibrous composite of bio-polyamide 6,10 and natural cellulose into nonwoven fabric with hygroscopic metastatic feature by hydro-entangled needle punching, drying, winding-up processes.

Abstract: This application describes a method of preparation of a natural graphene cellulose blended fiber, which comprises using a graphite powder as a raw material for preparing a graphene solution, adding the graphene solution to a slurry formed by mixing and dissolving a wood pulp with N-methylmorpholine N-oxide (NMMO), removing the water content thereof to form a spinning dope, and then spinning the spinning dope by a Dry-Jet Wet method to manufacture a natural graphene cellulose blended fiber. The present method does not require a highly toxic hydrazine hydrate solution. Further, by increasing the adding ratio of the graphene solution in the manufacturing process, control of the antistatic properties and thermal transferring functions can be achieved, and thereby various requirements of different consumers can be satisfied. Besides, the fibers can decompose naturally after being used, and thus the product is harmless, natural, and environmentally friendly.

Abstract: This application describes a method of preparation of a natural graphene cellulose blended spunbond nonwoven fabric, which comprises using a graphite powder as a raw material for preparing a graphene solution, adding the graphene solution to a slurry formed by mixing and dissolving a wood pulp with N-methylmorpholine N-oxide (NMMO), removing the water content thereof to form a spinning dope, and then directly preparing the natural graphene cellulose blended spunbond nonwoven fabric by a spunbond process. The present method does not require a highly toxic hydrazine hydrate solution. Further, by increasing the adding ratio of the graphene solution in the manufacturing process, control of the antistatic properties and thermal transferring function can be achieved, and thereby various requirements of different consumers can be satisfied. Besides, the fabric can decompose naturally after being used, and thus the product is harmless, natural, and environmentally friendly.

Abstract: This application describes a method of preparation of a natural graphene cellulose blended meltblown nonwoven fabric, which comprises using a graphite powder as a raw material for preparing a graphene solution, adding the graphene solution to a slurry formed by mixing and dissolving a wood pulp with N-methylmorpholine N-oxide (NMMO), removing the water content thereof to form a spinning dope, and then directly preparing the natural graphene cellulose blended meltblown nonwoven fabric by a meltblown process. The present method does not require a highly toxic hydrazine hydrate solution. Further, by increasing the adding ratio of the graphene solution in the manufacturing process, control of the antistatic properties and thermal transferring function can be achieved, and thereby various requirements of different consumers can be satisfied. Besides, the fabric can decompose naturally after being used, and thus the product is harmless, natural, and environmentally friendly.

Abstract: A meltblown method for producing nonwoven fabrics with hygroscopic metastatic feature. Firstly, fuse prepared bio-polyamide 6,10 into a melt, then extrude, and blow the melt out spinnerets to form natural bio-polyamide 6,10 filaments laid onto a conveyer to form a substrate fibrous web. Secondly, blend and dissolve prepared pulp by putting N-methylmorpholine N-oxide (NMMO) dissolving solvent, and dehydrate it to form dope, then extrude and blow the dope out spinnerets to form natural cellulose filaments laid up over existing fibrous web of bio-polyamide 6,10 on the conveyer so that a fibrous composite of the bio-polyamide 6,10 and natural cellulose in overlaid lamination is formed thereon. Finally, coagulate and regenerate the fibrous composite of the bio-polyamide 6,10 and natural cellulose by means of ejecting mist aerosol of water, and convert it into nonwoven fabric with hygroscopic metastatic feature by orderly applying post treatments of hydro-entangled needle punching, drying, winding-up processes.

Abstract: The present invention provides a fabricating method for meltblown nonwoven from natural cellulose fiber blended with nano silver, which comprises following steps. Firstly, prepare nano silver colloidal sol by reduction titration for mixture of polyvinyl alcohol (PVA), silver nitrate (AgNO3) and sodium borohydride (NaBH4). Secondly, prepare mixing cellulose serum by blending agitation for mixture of wood pulp, N-methylmorpholine N-oxide (NMMO) and stabilizer. Thirdly, prepare blending mucilage from mixing cellulose serum via blending process. Fourthly, produce spinning dope by blending and dehydrating the nano silver colloidal sol and mixing cellulose serum. Fifthly, produce molten filament tow by meltblown spinning method in association with coagulation, regeneration in coagulation bath, and water rinse.

Abstract: The present invention provides a fabricating method for natural cellulose fiber blended with nano silver. The fabricating method comprises following steps: Firstly, prepare nano silver colloidal sol by reduction titration for mixture of polyvinyl alcohol (PVA), silver nitrate (AgNO3) and sodium borohydride (NaBH4). Secondly, prepare mixing cellulose serum by blending agitation for mixture of wood pulp, N-methylmorpholine N-oxide (NMMO) and stabilizer. Thirdly, produce spinning dope by blending and dehydrating the nano silver colloidal sol and mixing cellulose serum. Fourthly, produce fibrous tow by Dry-Jet Wet Spinning method in association with coagulation, regeneration in coagulation bath, and water rinse. Finally, obtain final product of natural cellulose fiber blended with nano silver by post treatments of dry, oil and coil in proper order.

Abstract: The present invention provides a fabricating method for spunbond nonwoven from natural cellulose fiber blended with nano silver, which comprises following steps. Firstly, prepare nano silver colloidal sol by reduction titration for mixture of polyvinyl alcohol (PVA), silver nitrate (AgNO3) and sodium borohydride (NaBH4). Secondly, prepare mixing cellulose serum by blending agitation for mixture of wood pulp, N-methylmorpholine N-oxide (NMMO) and stabilizer. Thirdly, prepare blending mucilage from mixing cellulose serum via blending process. Fourthly, produce spinning dope by blending and dehydrating the nano silver colloidal sol and mixing cellulose serum. Fifthly, produce molten filament tow by spunbond spinning method in association with coagulation, regeneration, water rinse and high-speed stretching process.

Abstract: The present invention provides a processing method of non-woven intrinsically with enhanced deodorant feature from bamboo. The process uses mixture of wasted coffee residue and bamboo pulp as raw material. The process uses N-methylmorpholine N-oxide (NMMO) as primary solvent and 1, 3-phenylene-bis 2-oxazoline (BOX) as additive stabilizer. A cellulose solution is firstly formed by the wasted coffee residue, bamboo pulp, NMMO and BOX aforesaid. Secondly, via grinding, blending, dissolving and thermal dehydrating, the cellulose solution is converted into spinning dope. Thirdly, via meltblown method, the dope is extruded out of spinnerets in a die assembly by a metering gear pump to form thread bundle.

Abstract: A spunbond method for producing non-woven fabric with deodorant feature from bamboo cellulose comprises following process steps. Prepare bamboo pulp mixture by blending bamboo pulp and coffee residue in proper mixing ratio. Put N-methylmorpholine N-oxide (NMMO) as solvent and 1, 3-phenylene-bis 2-oxazoline (BOX) as stabilizer into prepared bamboo pulp mixture to form dope. Via spunbond method, orderly perform extruding, spinning, quenching and pre-drawing process to convert the dope into bamboo filaments of fibrous strand. Orderly process coagulation, regeneration and post-draw to the bamboo filaments of fibrous strand to transform them into uniform fine bamboo cellulose filaments. Bond and lay these bamboo filaments of fibrous strand on a belt collector to form a webbed nonwoven.