Patent ID: 7080543
Filing Date: 2006-07-25
Classification: G01N

Abstract:
1. A sensor comprising: an element for transmitting and receiving ultrasonic waves and electric signals; an element casing housing the element; a measuring chamber; and a housing portion located above the measuring chamber, the element casing being attached to the housing portion, and an inlet for introducing an object to be measured by use of ultrasonic waves into the measuring chamber, wherein the element casing comprises (i) a body portion for housing the element at a first end thereof, and (ii) a flange portion provided at a second opposite end of the element casing; the element casing and element are housed in the housing portion; the element casing is attached to an inner wall of the housing portion via the flange portion; the element is attached to a first end of the body portion; the body portion is tubular, and the first end of the body portion is sealed with a sealing member; the element is bonded to the sealing member directly or via a member aiding transmission of ultrasonic waves; and the tubular body portion is filled with resin while housing the element.