Abstract: A method of preparing polylactic acid (PLA) microsphere and polylactic-co-glycolic acid (PLGA) microsphere is provided, including the following steps. A first solution is provided, including polylactic acid or polylactic-co-glycolic acid and an organic solvent. A second solution is provided, including polyvinyl alcohol, sodium carboxymethyl cellulose and an aqueous solution. The first solution is added to the second solution and, at the same time, the second solution is agitated until polylactic acid is solidified to form a plurality of polylactic acid microspheres, or until polylactic-co-glycolic acid is solidified to form a plurality of polylactic-co-glycolic acid microspheres. The polylactic acid microspheres or polylactic-co-glycolic acid microspheres are collected.

Abstract: A coupling system includes a chip configured to receive an optical signal, wherein an angle between a propagation direction of the optical signal and a top surface of the chip ranges from about 92-degrees to about 88-degrees. The chip includes a grating configured to receive the optical signal; and a waveguide, wherein the grating is configured to receive the optical signal and redirect the optical signal along the waveguide, and the grating is on a light incident side of the waveguide.

Abstract: An optical composite structure includes first, second and third prism sheets. The first prism sheet has a first light incident surface and a first light exit surface opposite to each other. The second prism sheet has a second light incident surface facing the first light exit surface and a second light exit surface opposite to the second light incident surface, and includes a haze layer having the second light incident surface and a prism layer which is stacked on the haze layer and which has the second light exit surface. The third prism sheet has a third light incident surface facing the second light exit surface, and includes a haze layer and a prism layer stacked on the haze layer of the third prism sheet. The haze layer of the third prism sheet has a haze greater than a haze of the haze layer of the second prism sheet.

Abstract: A photonic device includes a silicon layer, wherein the silicon layer includes a waveguide portion. The photonic device further includes a cladding layer over the waveguide portion, wherein the cladding layer partially exposes a surface of the waveguide portion. The photonic device further includes a low refractive index layer in direct contact with the cladding layer, wherein the low refractive index layer comprises silicon oxide, silicon carbide, silicon oxynitride, silicon carbon oxynitride, aluminum oxide or hafnium oxide. The photonic device further includes an interconnect structure over the low refractive index layer.

Abstract: A knitted component comprising two yarns, forming at least a heel region of an upper for an article of footwear, where one of the yarns comprises a thermoplastic material. The outer surface may include a fused area comprising a first thermoplastic yarn. The inner surface may be at least partially formed with a second yarn and may substantially exclude the thermoplastic material. There may be a transitional area including a reduced amount of thermoplastic material relative to a fused area. The knitted component may include a cushioning material between layers of the knit element.

Abstract: An optical composite structure includes first, second and third prism sheets. The first prism sheet has a first light incident surface and a first light exit surface opposite to each other. The second prism sheet has a second light incident surface facing the first light exit surface and a second light exit surface opposite to the second light incident surface, and includes a haze layer having the second light incident surface and a prism layer which is stacked on the haze layer and which has the second light exit surface. The third prism sheet has a third light incident surface facing the second light exit surface, and includes a haze layer and a prism layer stacked on the haze layer of the third prism sheet. The haze layer of the third prism sheet has a haze greater than a haze of the haze layer of the second prism sheet.

Abstract: A window blind includes a headrail, two lift cords, a blind body, a bottom rail and two cord winding devices. The two cord winding devices are respectively installed on the bottom of the bottom rail. Subject to the technical feature that the opposite ends of the two lift cords are respectively tied to the adjustment columns of the two cord winding devices, if the winding stroke is inconsistent and the blind body is folded unevenly or skewed when the window blind is folded or stretched, the adjustment column of one cord winding device can be fine-adjusted to let the respective lift cord be gradually wound and covered on the adjustment column, so that the bottom rail and the blind body can be gradually adjusted to be substantially parallel to the bottom of the headrail, thereby effectively achieving the effect of fine-tuning and correcting the blind body.

Abstract: A method of using a coupling system includes aligning an optical fiber with a cavity in a chip, wherein aligning the optical fiber comprises orienting the fiber within an angle ranging from about 88-degrees to about 92-degrees with respect to a top surface of the chip. The method further includes emitting an optical signal from the optical fiber. The method further includes redirecting the optical signal into a waveguide using a grating positioned on an opposite side of the cavity from the optical fiber.

Abstract: A method of making a photonic device includes depositing a cladding layer over a silicon layer. The method further includes patterning the cladding layer to expose a first portion of the silicon layer, wherein a second portion of the silicon layer is covered by the patterned cladding layer, and a waveguide portion is in the second portion of the silicon layer. The method further includes depositing a low refractive index layer directly over the patterned cladding layer, wherein a refractive index of the low refractive index layer is less than a refractive index of silicon nitride.

Abstract: A semiconductor structure includes a grating coupler structure, a circuit component separated from the grating coupler structure, an inter level dielectric layer, a capping layer over the inter level dielectric layer, and a passivation layer over the capping layer. The inter level dielectric layer has a first refractive index, the capping layer has second refractive index, and the passivation layer has a third refractive index. The second refractive index is greater than the first refractive index, and is greater than the third refractive index.

Abstract: A knitted component comprising two yarns, forming at least a heel region of an upper for an article of footwear, where one of the yarns comprises a thermoplastic material. The outer surface may include a fused area comprising a first thermoplastic yarn. The inner surface may be at least partially formed with a second yarn and may substantially exclude the thermoplastic material. There may be a transitional area including a reduced amount of thermoplastic material relative to a fused area. The knitted component may include a cushioning material between layers of the knit element.

Abstract: A cord divider is positioned on both sides of the cord winder of the control box of a cordless window curtain. Each cord divider is equipped with protrusions and crosspieces. When the cords are pulled out from the cord divider, the cords do not tangle or knot. The cords are wound up on the driving gear set, and the driving cord device prevents the cords from overlapping and causing uneven heights on both sides of the curtain. The use of cylinders in the cord dividers prevents excessive friction of the cords during use. There is no need to change the current cooperation way between the cords and the cord winder.

Abstract: A coupling system includes an optical fiber configured to carry an optical signal. The coupling system further includes a grating on a first side of a semiconductor layer, wherein the grating is configured to receive the optical signal. The coupling system further includes an interconnect structure over the grating on the first side of the semiconductor layer, wherein the interconnect structure defines a cavity aligned with the grating. The coupling system further includes a first polysilicon layer on a second side of the semiconductor layer, wherein the second side of the semiconductor layer is opposite to the first side of the semiconductor layer.

Abstract: A semiconductor structure includes a substrate, a grating coupler structure over the substrate, a multi-layers film structure over the grating coupler structure. The multi-layers film structure include a first layer including a first refractive index, a second layer over the first layer and including a second refractive index and a third layer over the second layer and including a third refractive index. The second refractive index is greater than the first refractive index and is greater than the third refractive index of the third layer, and a thickness of each layer of the multi-layers film structure is within a range from ?/4 to ?2, ? is a wavelength of light.

Abstract: A method for forming a honeycomb curtain and includes a weaving process, a fixing process, a gluing process, a stacking process and a cutting process. The honeycomb curtain includes multiple netted tubes, and each netted tube includes an upper portion and a lower portion. The central portion of each of the upper and lower portions is woven to form a tight-woven structure. Two sides of each of the central portions are woven to form a sparse-woven structure to form the upper portion to be a breathable first semi-transparent strip and to form the lower portion to be a second semi-transparent strip. The outer corner of each of the upper and lower portions are woven to form another tight-woven structure. The central portions of each of the netted tubes are applied with glue on respective outer face thereof. The netted tubes are stacked and pressed to form a layered structure.

Abstract: An electric curtain includes an upper beam, two curtain ropes, a curtain body and a lower beam. The upper beam includes a rotating shaft, a pivotal member, two rope winders, a controller and a wireless control unit installed inside the controller. The wireless control unit has the technical feature of receiving and matching with a wireless transmission communication protocol originated from the external, thereby allowing the electric curtain to achieve the effect of establishing the most optimal electrical conduction and wireless communication transmission between the two based on the external wireless transmission communication protocol selected and matched.

Abstract: A coupling system includes an optical fiber configured to carry an optical signal. The coupling system further includes a chip in optical communication with the optical fiber. An angle between the optical fiber and a top surface of the chip ranges from about 92-degrees to about 88-degrees. The chip includes a grating configured to receive the optical signal; and a waveguide, wherein the grating is configured to receive the optical signal and redirect the optical signal along the waveguide. ms.

Abstract: A measurement method for measuring a position and a tilt angle of a target object includes the following steps. A pixel deviation between a first pixel and a second pixel of the target object is calculated. The pixel deviation is substituted into a curve of curve of tilt angle versus pixel deviation to obtain the tilt angle of the target object. A first target curve and a second target curve are selected according to the first pixel, the second pixel and the tilt angle. A zero-tilt angle is substituted into the first target curve and the second target curve, respectively, to obtain a pixel at the zero-tilt angle. The pixel at the zero-tilt angle is substituted into a position curve to obtain the position of the target object.

Abstract: A method of making a chip includes depositing a first polysilicon layer on a top surface and a bottom surface of a substrate. The method further includes patterning the first polysilicon layer to define a recess, wherein the first polysilicon layer is completed removed from the recess. The method further includes implanting dopants into the substrate to define an implant region. The method further includes depositing a contact etch stop layer (CESL) in the recess, wherein the CESL covers the implant region. The method further includes patterning the CESL to define a CESL block. The method further includes forming a waveguide and a grating in the substrate. The method further includes forming an interconnect structure over the waveguide, the grating and the CESL block. The method further includes etching the interconnect structure to define a cavity aligned with the grating.

Abstract: An optical integrated circuit (IC) structure includes: a substrate including a fiber slot formed in an upper surface of the substrate and extending from an edge of the substrate, and an undercut formed in the upper surface and extending from the fiber slot; a semiconductor layer disposed on the substrate; a dielectric structure disposed on the semiconductor layer; an interconnect structure disposed in the dielectric structure; a plurality of vents that extend through a coupling region of the dielectric structure and expose the undercut; a fiber cavity that extends through the coupling region of dielectric structure and exposes the fiber slot; and a barrier ring disposed in the dielectric structure, the barrier ring surrounding the interconnect structure and routed around the perimeter of the coupling region.