microdiaphragm

English

Etymology

From micro- +‎ diaphragm.

Noun

microdiaphragm (plural microdiaphragms)

  1. A very small diaphragm.
    • 1989, Official Gazette of the United States Patent and Trademark Office, page 721:
      A microdiaphragm having an adjustable aperture between 0.5 and 1,000 μm comprising: a pair of separate diaphragm strips, each of said diaphragm strips comprising two plates, […]
    • 1999, Oleg V. Angelsky, Steen G. Hanson, Peter P. Maksimyak, Use of Optical Correlation Techniques for Characterizing Scattering Objects and Media, page 180:
      An amplitude spatial frequency filter consisting of several transparent and opaque concentric rings and having a microdiaphragm in the center is placed in the frequency plane of the objective lens.
    • 2013, Kelvin K. L. Wong, Methods in Research and Development of Biomedical Devices, page VII:
      It depends on the operation of a microdiaphragm that moves up and down to push biofluids through a channel.
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