Abstract: A method of forming a semiconductor device includes: forming a fin protruding above a substrate, where a top portion of the fin comprises a layer stack that includes alternating layers of a first semiconductor material and a second semiconductor material; forming a dummy gate structure over the fin; forming openings in the fin on opposing sides of the dummy gate structure; forming source/drain regions in the openings; removing the dummy gate structure to expose the first semiconductor material and the second semiconductor material under the dummy gate structure; performing a first etching process to selectively remove the exposed first semiconductor material, where after the first etching process, the exposed second semiconductor material form nanostructures, where each of the nanostructures has a first shape; and after the first etching process, performing a second etching process to reshape each of the nanostructures into a second shape different from the first shape.

Abstract: A method includes fabricating a semiconductor device, wherein the method includes depositing a coating layer on a first region and a second region under a loading condition such that a height of the coating layer in the first region is greater than a height of the coating layer in the second region. The method also includes applying processing gas to the coating layer to remove an upper portion of the coating layer such that a height of the coating layer in the first region is a same as a height of the coating layer in the second region.

Abstract: A semiconductor device includes a plurality of channel layers vertically separated from one another. The semiconductor device also includes an active gate structure comprising a lower portion and an upper portion. The lower portion wraps around each of the plurality of channel layers. The semiconductor device further includes a gate spacer extending along a sidewall of the upper portion of the active gate structure. The gate spacer has a bottom surface. Moreover, a dummy gate dielectric layer is disposed between the gate spacer and a topmost channel layer of plurality of channel layers. The dummy gate dielectric layer is in contact with a top surface of the topmost channel layer, the bottom surface of the gate spacer, and the sidewall of the gate structure.

Abstract: A method for preparing a bifunctional film, including: (a) drying a first polymer solution to form a film to form an anti-adhesion layer, and (b) drying a second polymer solution over the anti-adhesion layer to form a film to form an attachment layer. The first polymer solution includes a first hydrophobic solution and a first hydrophilic solution, and in the first polymer solution, the weight ratio of the solute of the first hydrophobic solution to the solute of the first hydrophilic solution is 1:0.01-1. Moreover, the second polymer solution is composed of a second hydrophilic solution.

Abstract: An anti-curling film is provided. The anti-curling film includes a first portion and a second portion covering the first portion. The first portion includes polylactic acid (PLA), polycaprolactone (PCL), polyethylene glycol dimethacrylate (PEGDMA) and a photoinitiator. The second portion includes polycaprolactone (PCL), gelatin, hyaluronic acid (HA), alginate (AA), polyvinyl alcohol (PVA) or a combination thereof.

Abstract: The present disclosure provides a method for manufacturing a porous film, including: preparing a polymer mixture solution, wherein the polymer mixture solution includes polycaprolactone and at least one hydrophobic polymer; adding solid particles as a dispersing agent to the polymer mixture solution and mixing the solid particles with the polymer mixture solution, wherein the amount of solid particles added is enough to convert the polymer mixture solution into a solid mixture; drying the solid mixture to form a film; and washing the film with a washing fluid to remove the solid particles from the film to form the porous film, wherein the weight ratio of the polycaprolactone to the at least one hydrophobic polymer is about 1:0.1-10, and wherein the weight ratio of the polycaprolactone and the at least one hydrophobic polymer to the solid particles is about 1:0.01-250.

Abstract: A method for preparing a bifunctional film, including: (a) drying a first polymer solution to form a film to form an anti-adhesion layer, and (b) drying a second polymer solution over the anti-adhesion layer to form a film to form an attachment layer. The first polymer solution includes a first hydrophobic solution and a first hydrophilic solution, and in the first polymer solution, the weight ratio of the solute of the first hydrophobic solution to the solute of the first hydrophilic solution is 1:0.01-1. Moreover, the second polymer solution is composed of a second hydrophilic solution.

Abstract: A method for preparing a bifunctional film, including: (a) drying a first polymer solution to form a film to form an anti-adhesion layer; and (b) drying a second polymer solution over the anti-adhesion layer to form a film to form an attachment layer. The first polymer solution includes a first hydrophobic solution and a first hydrophilic solution, and in the first polymer solution, the weight ratio of the solute of the first hydrophobic solution to the solute of the first hydrophilic solution is 1:0.01-1. Moreover, the second polymer solution consists of a second hydrophilic solution.

Abstract: An anti-curling film is provided. The anti-curling film includes a first portion and a second portion covering the first portion. The first portion includes polylactic acid (PLA), polycaprolactone (PCL), polyethylene glycol dimethacrylate (PEGDMA) and a photoinitiator. The second portion includes polycaprolactone (PCL), gelatin, hyaluronic acid (HA), alginate (AA), polyvinyl alcohol (PVA) or a combination thereof.

Abstract: A minimally invasive surgical device includes a main body, a buffer assembly and a cutter bit. The main body includes an inner tube and an outer tube, wherein the inner tube is disposed in the outer tube. An end of the buffer assembly is connected to the inner tube. The cutter bit is connected to another end of the buffer assembly, wherein the cutter bit has a cutting portion. When the cutting portion is in contact with an object, the buffer assembly is adapted to enable the cutter bit to move relatively to the inner tube to decrease a cutting force between the cutting portion and the object, and is adapted to enable the cutting portion to be tilted with a surface of the object.

Abstract: A biodegradable sealant includes: a polyethylene glycol derivative; a photoinitiator; and a solvent, wherein the content of the polyethylene glycol derivative is about 10-75 wt % in the biodegradable sealant. The polyethylene glycol derivative is obtained by a substitution reaction, and in the substitution reaction, the polyethylene glycol is modified with methacrylic anhydride.

Abstract: The present disclosure provides a method for manufacturing a porous film, including: preparing a polymer mixture solution, wherein the polymer mixture solution includes polycaprolactone and at least one hydrophobic polymer; adding solid particles as a dispersing agent to the polymer mixture solution and mixing the solid particles with the polymer mixture solution, wherein the amount of solid particles added is enough to convert the polymer mixture solution into a solid mixture; drying the solid mixture to form a film; and washing the film with a washing fluid to remove the solid particles from the film to form the porous film, wherein the weight ratio of the polycaprolactone to the at least one hydrophobic polymer is about 1:0.1-10, and wherein the weight ratio of the polycaprolactone and the at least one hydrophobic polymer to the solid particles is about 1:0.01-250.

Abstract: A drug-containing multilayer film provided. The drug-containing multilayer film includes: a drug-containing layer; and an anti-adhesion layer on a surface of the drug-containing layer. The drug-containing layer is composed of a first composition including a first polymer material and a drug, and the first polymer material includes at least one selected from the group consisting of: polylactic acid (PLA) and polyethylene glycol (PEG), and the weight ratio of the first polymer material to the drug is about 1:0.01-0.3. The anti-adhesion layer is composed of a second composition, and the second composition includes a second polymer material, and the second polymer material includes at least one selected from the group consisting of polylactic acid and polyethylene glycol.

Abstract: The present disclosure provides a method for manufacturing a porous film, including: preparing a polymer mixture solution, wherein the polymer mixture solution includes polycaprolactone and at least one hydrophobic polymer; adding solid particles as a dispersing agent to the polymer mixture solution and mixing the solid particles with the polymer mixture solution, wherein the amount of solid particles added is enough to convert the polymer mixture solution into a solid mixture; drying the solid mixture to form a film; and washing the film with a washing fluid to remove the solid particles from the film to form the porous film, wherein the weight ratio of the polycaprolactone to the at least one hydrophobic polymer is about 1:0.1-10, and wherein the weight ratio of the polycaprolactone and the at least one hydrophobic polymer to the solid particles is about 1:0.01-250.

Abstract: An implanting device is used for implanting a membrane in a biological tissue. The implanting device includes a sleeve, a membrane storage element, an injection element and a bubble generating element. The membrane storage element is fixed at the sleeve. The injection element is inserted in the sleeve and the membrane storage element, and includes a capturing end and connecting end. The capturing end is for capturing the membrane and has a hole. The bubble generating element is connected to the connecting end, and is for providing a gas that is then outputted via the hole. By the rotation of the injection element, the capturing end extends straight out of the membrane storage element or retracts straight into the membrane storage element.

Abstract: A cartilage repair implant, an auxiliary surgical tool kit and a cartilage repair system are provided. The cartilage repair implant includes a body and a plurality of pins. The body is a porous structure and is configured to carry cartilage repair material. The pins are fixed to the body for being inserted into a patient's bone. The auxiliary surgical tool kit includes a positioning sleeve and a click tool. The positioning sleeve has a through passage. A first alignment structure is disposed on the sidewall of the through passage. The click tool includes an outer tube and a push rod. A second alignment structure mutually aligned with the first alignment structure is disposed on the outer wall of the outer tube. The outer tube is configured to pass through the through passage. The push rod is slidably disposed in the outer tube. One end of the outer tube has a shaping blade for slicing a to-be-implanted region on an affected area of the patient.

Abstract: A method for preparing a bifunctional film, including: (a) drying a first polymer solution to form a film to form an anti-adhesion layer; and (b) drying a second polymer solution over the anti-adhesion layer to form a film to form an attachment layer. The first polymer solution includes a first hydrophobic solution and a first hydrophilic solution, and in the first polymer solution, the weight ratio of the solute of the first hydrophobic solution to the solute of the first hydrophilic solution 1:0.01-1. Moreover, the second polymer solution consists of a second hydrophilic solution.

Abstract: A biodegradable sealant includes: a polyethylene glycol derivative; a photoinitiator; and a solvent, wherein the content of the polyethylene glycol derivative is about 10-75 wt % in the biodegradable sealant. The polyethylene glycol derivative is obtained by a substitution reaction, and in the substitution reaction, the polyethylene glycol is modified with methacrylic anhydride.

Abstract: A biodegradable sealant includes: a polyethylene glycol derivative; a photoinitiator; and a solvent, wherein the content of the polyethylene glycol derivative is about 10-75 wt % in the biodegradable sealant. The polyethylene glycol derivative is obtained by a substitution reaction, and in the substitution reaction, the polyethylene glycol is modified with methacrylic anhydride.

Abstract: A cartilage repair implant, an auxiliary surgical tool kit and a cartilage repair system are provided. The cartilage repair implant includes a body and a plurality of pins. The body is a porous structure and is configured to carry cartilage repair material. The pins are fixed to the body for being inserted into a patient's bone. The auxiliary surgical tool kit includes a positioning sleeve and a click tool. The positioning sleeve has a through passage. A first alignment structure is disposed on the sidewall of the through passage. The click tool includes an outer tube and a push rod. A second alignment structure mutually aligned with the first alignment structure is disposed on the outer wall of the outer tube. The outer tube is configured to pass through the through passage. The push rod is slidably disposed in the outer tube. One end of the outer tube has a shaping blade for slicing a to-be-implanted region on an affected area of the patient.