×

Surface acoustic wave-based sensing and actuation of contamination

  • US 10,600,438 B2
  • Filed: 03/29/2019
  • Issued: 03/24/2020
  • Est. Priority Date: 04/18/2018
  • Status: Active Grant
First Claim
Patent Images

1. A method, comprising:

  • producing a first surface acoustic wave (SAW) on a magnetic head slider using a first interdigitated transducer (IDT), wherein the SAW has a first set of wave characteristics;

    receiving the first SAW at a second IDT on the magnetic head slider;

    analyzing the SAW for a second set of wave characteristics; and

    determining, based on the analyzing, that a substance having at least one characteristic is located in a path of the SAW on the magnetic head slider.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×