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Nigam et al., 2022 - Google Patents

Deep Grooves in Borofloat Glass by Wet Bulk Micromachining

Nigam et al., 2022

Document ID
1660670435014633534
Author
Nigam A
Veerla S
Pal P
Publication year
Publication venue
Conference on Microactuators and Micromechanisms

External Links

Snippet

In this work, deep grooves of more than 300 µm depth are fabricated in a high-quality Borofloat glass wafer using wet bulk micromachining in buffered HF (BHF) solution. The Cr/Au/photoresist layers are used as the etching mask. These masking layers showed very …
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
    • B81C1/00015—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
    • B81C1/00119—Arrangement of basic structures like cavities or channels, e.g. suitable for microfluidic systems
    • 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
    • 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
    • B81C1/0038—Processes for creating layers of materials not provided for in groups B81C1/00357 - B81C1/00373
    • 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
    • B81B2203/0323—Grooves
    • 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
    • B81B2201/05—Micro-fluidics
    • B81B2201/058—Micro-fluidics not provided for in B81B2201/051 - B81B2201/054
    • 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
    • B81B2201/03—Micro-engines and actuators
    • B81B2201/036—Micro-pumps
    • 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

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