Title:
ULTRASONIC PROBE USING REAR-SIDE ACOUSTIC MATCHING LAYER
Document Type and Number:
WIPO Patent Application WO/2011/115365
Kind Code:
A2
Abstract:
The present invention relates to an ultrasonic probe and provides the ultrasonic probe in which acoustic matching layers are formed on both sides of a piezoelectric ceramic capable of simultaneously increasing the signal strength of ultrasonic waves and improving the waveform characteristics of the ultrasonic waves. According to the present invention, a rear-side acoustic matching layer is formed in the upper part of a rear-side block. The piezoelectric ceramic is formed in the upper part of the rear-side acoustic matching layer. A front-side acoustic matching layer is formed in the upper part of the piezoelectric ceramic. Further, an acoustic lens is formed in the upper part of the front-side acoustic matching layer. Particularly, since the rear-side acoustic matching layer reflects, toward the acoustic lens, the ultrasonic waves which are propagated to the rear-side block, the signal strength of the ultrasonic waves is increased and an unwanted reflection is removed from the rear-side acoustic matching layer, thereby improving even the waveform characteristics of the ultrasonic waves unlike a structure, which generally makes a big acoustic impedance difference of the piezoelectric ceramic thereby resulting in a large reflected signal. At this point, it is possible to form at least one or more front-side and rear-side acoustic matching layers.
Inventors:
JUNG, Ho (105-703 Bongcheonuseong Apt. 1706, Bongcheon-dong Gwanak-gu, Seoul 151-050, 151-050, KR)
정호 (서울특별시 관악구 봉천동 1706 봉천우성아파트 105-703, 151-050 Seoul, 151-050, KR)
정호 (서울특별시 관악구 봉천동 1706 봉천우성아파트 105-703, 151-050 Seoul, 151-050, KR)
Application Number:
KR2011/000462
Publication Date:
September 22, 2011
Filing Date:
January 24, 2011
Export Citation:
Assignee:
HUMANSCAN CO., LTD. (3cheung 302ho Sihwa Apt Factory #672, Seonggok-dong Danwon-gu, Ansan-si Gyeonggi-do 425-836, 425-836, KR)
주식회사 휴먼스캔 (경기도 안산시 단원구 성곡동 672 시화아파트형공장 3층 302호, 425-836 Gyeonggi-do, 425-836, KR)
JUNG, Ho (105-703 Bongcheonuseong Apt. 1706, Bongcheon-dong Gwanak-gu, Seoul 151-050, 151-050, KR)
주식회사 휴먼스캔 (경기도 안산시 단원구 성곡동 672 시화아파트형공장 3층 302호, 425-836 Gyeonggi-do, 425-836, KR)
JUNG, Ho (105-703 Bongcheonuseong Apt. 1706, Bongcheon-dong Gwanak-gu, Seoul 151-050, 151-050, KR)
International Classes:
G01N29/24; A61B8/00; G01B17/00
Attorney, Agent or Firm:
PARK, Chong Han (Room 202, Ace High-end Tower 235-2,Guro-dong, Guro-gu, Seoul 152-740, 152-740, KR)
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Claims: