Patent classifications
H01L21/02104
Ultrathin solid state dies and methods of manufacturing the same
Various embodiments of SST dies and solid state lighting (SSL) devices with SST dies, assemblies, and methods of manufacturing are described herein. In one embodiment, a SST die includes a substrate material, a first semiconductor material and a second semiconductor material on the substrate material, an active region between the first semiconductor material and the second semiconductor material, and a support structure defined by the substrate material. In some embodiments, the support structure has an opening that is vertically aligned with the active region.
Process feed management for semiconductor substrate processing
Embodiments related to managing the process feed conditions for a semiconductor process module are provided. In one example, a gas channel plate for a semiconductor process module is provided. The example gas channel plate includes a heat exchange surface including a plurality of heat exchange structures separated from one another by intervening gaps. The example gas channel plate also includes a heat exchange fluid director plate support surface for supporting a heat exchange fluid director plate above the plurality of heat exchange structures so that at least a portion of the plurality of heat exchange structures are spaced from the heat exchange fluid director plate.
Staggering of openings in electrodes for crack mitigation
A transducer comprising: at least one piezoelectric layer; a first patterned conductive layer that is patterned with a first opening; a second patterned conductive layer that is patterned with a second opening; wherein at least one piezoelectric layer is between the first and the second patterned conductive layers in a stack; and wherein a position of the first opening is staggered relative to a position of the second opening in the stack to mitigate an occurrence of crack propagation through the layers.
STRUCTURE OF EPITAXY ON HETEROGENEOUS SUBSTRATE AND METHOD FOR FABRICATING THE SAME
The invention is a special designed pattern heterogeneous substrate, which is epitaxially deposited on a heterogeneous substrate by two step growth, and a thermal cycle annealing is added to reduce the lattice mismatch between the layers and the difference in thermal expansion coefficient, thereby obtaining a better stress. The quality of the semiconductor epitaxial layer is improved, and the present invention can easily grasp the timing of stress release when the semiconductor is grown on the heterogeneous substrate, avoid cracks in the semiconductor epitaxial layer, and form a crack free zone in the middle of the semiconductor epitaxial layer.
Methods of forming semiconductor devices
Methods of forming semiconductor devices are provided. One of the methods includes following steps. A plurality of hard mask patterns is formed around a region of a substrate, wherein an imaginary connecting line is formed between corners of two of the plurality of hard mask patterns at the same side of the region, and the imaginary connecting line is substantially parallel to or perpendicular to a horizontal direction. A semiconductor layer is formed on the substrate by a selective epitaxial growth process.
CAPACITIVE MICROELECTROMECHANICAL DEVICE AND METHOD FOR FORMING A CAPACITIVE MICROELECTROMECHANICAL DEVICE
A capacitive microelectromechanical device is provided. The capacitive microelectromechanical device includes a semiconductor substrate, a support structure, an electrode element, a spring element, and a seismic mass. The support structure, for example, a pole, suspension or a post, is fixedly connected to the semiconductor substrate, which may comprise silicon. The electrode element is fixedly connected to the support structure. Moreover, the seismic mass is connected over the spring element to the support structure so that the seismic mass is displaceable, deflectable or movable with respect to the electrode element. Moreover, the seismic mass and the electrode element form a capacitor having a capacitance which depends on a displacement between the seismic mass and the electrode element.
Reflectors having overall mesa shapes
Disclosed are techniques related to reflectors having overall mesa shapes. Such a reflector may be formed over an overall mesa-shaped, layered structure of an apparatus for emitting light. The overall mesa-shaped, layered structure may comprise a mesa complement structure, a first-type doped semiconductor, a light emission layer, and a second-type doped semiconductor arranged in layers. Thus, the reflector may be configured to collimate light that emits from the light emission layer and reaches the reflector through the mesa complement structure.
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
A semiconductor device includes plurality of fin structures extending in first direction on semiconductor substrate. Fin structure's lower portion is embedded in first insulating layer. First gate electrode and second gate electrode structures extend in second direction substantially perpendicular to first direction over of fin structures and first insulating layer. The first and second gate electrode structures are spaced apart and extend along line in same direction. First and second insulating sidewall spacers are arranged on opposing sides of first and second gate electrode structures. Each of first and second insulating sidewall spacers contiguously extend along second direction. A second insulating layer is in region between first and second gate electrode structures. The second insulating layer separates first and second gate electrode structures. A third insulating layer is in region between first and second gate electrode structures. The third insulating layer is formed of different material than second insulating layer.
Material delivery system and method
A method includes applying a first amount of heat to a vapor region of a precursor canister, measuring an indication of saturated vapor pressure within the vapor region during the applying the first amount of heat, and applying a second amount of heat to the vapor region of the precursor canister, the second amount of heat being adjusted from the first amount of heat based on the indication of saturated vapor pressure.
BONDED SEMICONDUCTOR STRUCTURES
A method is disclosed that includes operations as follows: after forming an ion-implanted layer disposed between an epitaxial layer and a first semiconductor substrate, bounding the epitaxial layer to a bonding oxide layer without forming any layer between the epitaxial layer and the bonding oxide layer; and removing the first semiconductor substrate together with a portion of the ion-implanted layer and keeping a remaining portion of the ion-implanted layer on the epitaxial layer.