Patent classifications
H01L21/0212
Plasma processing method and etching apparatus
The present invention provides a plasma processing method or a plasma processing method, which allows the evenness of etching amounts to increase and the yield of processing to improve. A method for etching a tungsten film includes: a first step of depositing a fluorocarbon layer and forming an intermediate layer that contains tungsten and fluorine and is self-limiting between the fluorocarbon layer and the tungsten film by supplying plasma of an organic gas containing fluorine to a base material having the tungsten film over at least a part of the surface; and a second step of removing the fluorocarbon layer and the intermediate layer by using plasma of an oxygen gas.
Semiconductor device with carbon hard mask and method for fabricating the same
The present application discloses a semiconductor device with a carbon hard mask. The semiconductor device includes a substrate, conductive layers positioned on the substrate, a carbon hard mask layer positioned on the conductive layers, an insulating layer including a lower portion and an upper portion, and a conductive via positioned along the upper portion of the insulating layer and the carbon hard mask layer and positioned on one of the adjacent pair of the conductive layers. The lower portion is positioned along the carbon hard mask layer and positioned between an adjacent pair of the conductive layers, and the upper portion is positioned on the lower portion and on the carbon hard mask layer.
Techniques and apparatus for unidirectional hole elongation using angled ion beams
A method of patterning a substrate. The method may include providing a cavity in a layer, disposed on the substrate, the cavity having a first length along a first direction and a first width along a second direction, perpendicular to the first direction, and wherein the layer has a first height along a third direction, perpendicular to the first direction and the second direction. The method may include depositing a sacrificial layer over the cavity in a first deposition procedure; and directing angled ions to the cavity in a first exposure, wherein the cavity is etched, and wherein after the first exposure, the cavity has a second length along the first direction, greater than the first length, and wherein the cavity has a second width along the second direction, no greater than the first width.
METHOD OF MANUFACTURING VIAS WITH PULSING PLASMA
A method of manufacturing a semiconductor, comprising: providing a stacked structure comprising a first oxide layer, a second oxide layer, and a metal layer stacked between the first oxide layer and the second oxide layer; forming a mask layer on the second oxide layer; introducing a gas mixture to the stacked structure, wherein the gas mixture comprises at least two hydrocarbon compounds and oxygen; and performing a pulsing plasma process to the stacked structure through the mask layer to pattern the second oxide layer and expose the metal layer through the patterned second oxide layer.
Method of manufacturing vias with pulsing plasma
A method of manufacturing a semiconductor, comprising: providing a stacked structure comprising a first oxide layer, a second oxide layer, and a metal layer stacked between the first oxide layer and the second oxide layer; forming a mask layer on the second oxide layer; introducing a gas mixture to the stacked structure, wherein the gas mixture comprises at least two hydrocarbon compounds and oxygen; and performing a pulsing plasma process to the stacked structure through the mask layer to pattern the second oxide layer and expose the metal layer through the patterned second oxide layer.
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
A method of manufacturing a semiconductor device is provided. The method includes providing a first layer having a first surface and a second layer having a second surface orthogonal to the first surface in a vertical direction, forming an inhibitor layer conformally on the first surface and the second surface, exposing the second surface by selectively removing the inhibitor layer on the second surface among the first surface and the second surface, the exposing of the second surface may include selectively removing an edge portion of the inhibitor layer on the first surface, the edge portion contacting the second surface, and forming an interest layer on the exposed second surface.
FILM FORMING METHOD AND ARTICLE MANUFACTURING METHOD
A film forming method of forming a film made of a curable composition, includes an arranging step of arranging the curable composition on an underlayer of a substrate including a base member and the underlayer arranged on the base member, a contact step of bringing the curable composition and a mold into contact with each other after the arranging step, a curing step of curing the curable composition after the contact step, and a separation step of separating the curable composition and the mold after the curing step, wherein a gas filling a space between the underlayer and the mold exists in the contact step, and a solubility coefficient of the gas with respect to the underlayer is 0.5 kg/m.sup.3.Math.atm or more and 10 kg/m.sup.3.Math.atm or less.
Selective processing with etch residue-based inhibitors
Selective deposition of a sacrificial material on a semiconductor substrate, the substrate having a surface with a plurality of regions of substrate materials having different selectivities for the sacrificial material, may be conducted such that substantial deposition of the sacrificial material occurs on a first region of the substrate surface, and no substantial deposition occurs on a second region of the substrate surface. Deposition of a non-sacrificial material may then be conducted on the substrate, such that substantial deposition of the non-sacrificial material occurs on the second region and no substantial deposition of the non-sacrificial material occurs on the first region. The sacrificial material may then be removed such that net deposition of the non-sacrificial material occurs substantially only on the second region.
BIOMIMETIC LEAF WETNESS SENSOR AND METHOD OF MANUFACTURE OF THE SAME
A biomimetic leaf wetness sensor includes a capacitive sensor and a non-conductive polymer layer disposed over the capacitive sensor. The layer includes a replica molded surface corresponding to a plant leaf.
Semiconductor device with carbon hard mask and method for fabricating the same
The present application discloses a semiconductor device and a method for fabricating the semiconductor device. The semiconductor device includes a substrate, conductive layers positioned on the substrate, a carbon hard mask layer positioned on the conductive layers, an insulating layer including a lower portion and an upper portion, and a conductive via positioned along the upper portion of the insulating layer and the carbon hard mask layer and positioned on one of the adjacent pair of the conductive layers. The lower portion is positioned along the carbon hard mask layer and positioned between an adjacent pair of the conductive layers, and the upper portion is positioned on the lower portion and on the carbon hard mask layer.