Abstract:
A mesoscale microelectromechanical system (MEMS) package for a micro-machine. The mesoscale micro-machine is formed on a printed circuit board (10) at the same time and of the same materials as the mesoscale micro-machine package. Both the micro-machine and the package have a first metal layer (12, 16), an insulating member (22, 26) formed on the first metal layer, and a second metal layer (32, 36) situated on the insulating layer. The package consists of a perimeter wall surrounding the micro-machine and a low-flow capping adhesive layer (40). The first metal layers of both the micro-machine and the package are formed in the same process sequence, and the insulating layers of both the micro-machine and the package are formed in the same process sequence, and the second metal layers of both the micro-machine and the package are formed in the same process sequence. The low-flow capping adhesive secures an optional cover (46) on the package to provide an environmental seal.
Abstract:
A mesoscale microelectromechanical system (MEMS) package for a micro-machine. The mesoscale micro-machine is formed on a printed circuit board (10) at the same time and of the same materials as the mesoscale micro-machine package. Both the micro-machine and the package have a first metal layer (12, 16), an insulating member (22, 26) formed on the first metal layer, and a second metal layer (32, 36) situated on the insulating layer. The package consists of a perimeter wall surrounding the micro-machine and a low-flow capping adhesive layer (40). The first metal layers of both the micro-machine and the package are formed in the same process sequence, and the insulating layers of both the micro-machine and the package are formed in the same process sequence, and the second metal layers of both the micro-machine and the package are formed in the same process sequence. The low-flow capping adhesive secures an optional cover (46) on the package to provide an environmental seal.
Abstract:
Polarization modulator devices can be formed to take advantage of multi-layered semiconductor structures. High quality epitaxial layers of monocrystalline materials can be grown overlying monocrystalline substrates such as large silicon wafers by forming a compliant substrate for growing the monocrystalline layers. An accommodating buffer layer comprises a layer of monocrystalline oxide spaced apart from a silicon wafer by an amorphous interface layer of silicon oxide. The amorphous interface layer dissipates strain and permits the growth of a high quality monocrystalline oxide accommodating buffer layer. The accommodating buffer layer is lattice matched to both the underlying silicon wafer and the overlying monocrystalline material layer. Any lattice mismatch between the accommodating buffer layer and the underlying silicon substrate is taken care of by the amorphous interface layer.
Abstract:
Polarization modulator devices (300) can be formed to take advantage of multi-layered semiconductor structures. High quality epitaxial layers (26) of monocrystalline materials can be grown overlying monocrystalline substrates (22) such as large silicon wafers by forming a compliant substrate for growing the monocrystalline layers. An accommodating buffer layer (24) comprises a layer of monocrystalline oxide spaced apart from a silicon wafer by an amorphous interface layer (28) of silicon oxide. The amorphous interface layer dissipates strain and permits the growth of a high quality monocrystalline oxide accommodating buffer layer. The accommodating buffer layer is lattice matched to both the underlying silicon wafer and the overlying monocrystalline material layer. Any lattice mismatch between the accommodating buffer layer and the underlying silicon substrate is taken care of by the amorphous interface layer.
Abstract:
A mesoscale microelectromechanical system (MEMS) package for a micro-machine. The mesoscale micro-machine is formed on a printed circuit board (10) at the same time and of the same materials as the mesoscale micro-machine package. Both the micro-machine and the package have a first metal layer (12, 16), an insulating member (22, 26) formed on the first metal layer, and a second metal layer (32, 36) situated on the insulating layer. The package consists of a perimeter wall surrounding the micro-machine and a low-flow capping adhesive layer (40). The first metal layers of both the micro-machine and the package are formed in the same process sequence, and the insulating layers of both the micro-machine and the package are formed in the same process sequence, and the second metal layers of both the micro-machine and the package are formed in the same process sequence. The low-flow capping adhesive secures an optional cover (46) on the package to provide an environmental seal.
Abstract:
A mesoscale microelectromechanical system (MEMS) package for a micro-machine. The mesoscale micro-machine is formed on a printed circuit board (10) at the same time and of the same materials as the mesoscale micro-machine package. Both the micro-machine and the package have a first metal layer (12, 16), an insulating member (22, 26) formed on the first metal layer, and a second metal layer (32, 36) situated on the insulating layer. The package consists of a perimeter wall surrounding the micro-machine and a low-flow capping adhesive layer (40). The first metal layers of both the micro-machine and the package are formed in the same process sequence, and the insulating layers of both the micro-machine and the package are formed in the same process sequence, and the second metal layers of both the micro-machine and the package are formed in the same process sequence. The low-flow capping adhesive secures an optional cover (46) on the package to provide an environmental seal.