Patent · US Expired

Fluid treatment device and method

US5876507A · kind A · utility

5Cited by
13References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1997
Grant dateMar 2, 1999
Priority date
Expiry dateJun 30, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K3/0091
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A fluid treating device with at least one chamber, a plurality of ultrasonic transducers for imparting ultrasonic waves through fluid when present in the at least one chamber; a screen located in the at least one chamber wherein the screen is coated with a dielectric material. The coated screen diffuses the ultrasonic waves and enhances uniform treatment. The fluid treating device is useful for treatments such as cleaning, degreasing, plating or etching articles such as ceramic substrates.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.