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Muller et al., 2001 - Google Patents

High-aspect-ratio, molded microstructures with electrical isolation and embedded interconnects

Muller et al., 2001

Document ID
10164094083435983666
Author
Muller L
Howe R
Pisano A
Publication year
Publication venue
Microsystem technologies

External Links

Snippet

A thin film molding process was developed to enable the fabrication of monolithic micromechanical structures with built-in electrical isolation and embedded interconnects. High-aspect-ratio composite structures were created from undoped polysilicon, low stress …
Continue reading at link.springer.com (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00436—Shaping materials, i.e. techniques for structuring the substrate or the layers on the substrate
    • B81C1/00555—Achieving a desired geometry, i.e. controlling etch rates, anisotropy or selectivity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS
    • B81C2201/00—Manufacture or treatment of micro-structural devices or systems
    • B81C2201/01—Manufacture or treatment of micro-structural devices or systems in or on a substrate
    • B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
    • B81C2201/0102—Surface micromachining
    • B81C2201/0104—Chemical-mechanical polishing [CMP]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS
    • B81C2201/00—Manufacture or treatment of micro-structural devices or systems
    • B81C2201/01—Manufacture or treatment of micro-structural devices or systems in or on a substrate
    • B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
    • B81C2201/0128—Processes for removing material
    • B81C2201/013—Etching
    • B81C2201/0135—Controlling etch progression
    • B81C2201/014—Controlling etch progression by depositing an etch stop layer, e.g. silicon nitride, silicon oxide, metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS
    • B81C2201/00—Manufacture or treatment of micro-structural devices or systems
    • B81C2201/01—Manufacture or treatment of micro-structural devices or systems in or on a substrate
    • B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
    • B81C2201/0102—Surface micromachining
    • B81C2201/0105—Sacrificial layer
    • B81C2201/0109—Sacrificial layers not provided for in B81C2201/0107 - B81C2201/0108
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing micro-systems
    • B81C1/00023—Manufacture or treatment of devices or systems in or on a substrate for manufacturing micro-systems without movable or flexible elements
    • B81C1/00047—Cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS
    • B81C2201/00—Manufacture or treatment of micro-structural devices or systems
    • B81C2201/01—Manufacture or treatment of micro-structural devices or systems in or on a substrate
    • B81C2201/0174—Manufacture or treatment of micro-structural devices or systems in or on a substrate for making multi-layered devices, film deposition or growing
    • B81C2201/019—Bonding or gluing multiple substrate layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81B—MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-MECHANICAL DEVICES
    • B81B2203/00—Basic micro-electromechanical structures
    • B81B2203/03—Static structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00349—Creating layers of material on a substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81B—MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-MECHANICAL DEVICES
    • B81B2203/00—Basic micro-electromechanical structures
    • B81B2203/01—Suspended structures, i.e. structures allowing a movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81B—MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-MECHANICAL DEVICES
    • B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
    • B81B3/0002—Arrangements for avoiding sticking of the flexible or moving parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICRO-STRUCTURAL TECHNOLOGY
    • B81B—MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-MECHANICAL DEVICES
    • B81B2201/00—Specific applications of micro-electromechanical systems
    • B81B2201/02—Sensors

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