Patent ID: 11874406
Assignee: HYUNDAI MOBIS CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G  B | IPC G

Claim 17:
18. A method of manufacturing an ultrasonic sensor, the method comprising:
bonding a piezoelectric element to a front portion of a cell case at an inside of the cell case;
assembling the cell case to a front portion of a housing with a rubber cap interposed between the cell case and the front portion of the housing, and fusing a front cover to the rubber cap and the front portion of the housing such that the front cover surrounds the rubber cap and the front portion of the housing;
coupling, to the housing, lead pins with wires welded thereto;
welding the wires to the piezoelectric element;
injecting a filler into an interior of the cell case and an interior of the housing where the wires are disposed;
inserting a printed circuit board (PCB) assembly into the housing such that the lead pins and connector pins insert-molded in the housing are connected to the PCB assembly; and
sealing a rear portion of the housing with the PCB assembly inserted therein by a rear cover.