CMOS ultrasonic transducers and related apparatus and methods

JM Rothberg, KG Fife, TS Ralston, GL Charvat… - US Patent …, 2017 - Google Patents
2014-04-22 Assigned to BUTTERFLY NETWORK, INC. reassignment BUTTERFLY
NETWORK, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …

Complementary metal oxide semiconductor (CMOS) ultrasonic transducers and methods for forming the same

JM Rothberg, KG Fife, TS Ralston, GL Charvat… - US Patent …, 2016 - Google Patents
Complementary metal oxide semiconductor (CMOS) ultra sonic transducers (CUTs) and
methods for forming CUTs are described. The CUT's may include monolithically integrated …

CMOS ultrasonic transducers and related apparatus and methods

JM Rothberg, KG Fife, TS Ralston, GL Charvat… - US Patent …, 2016 - Google Patents
US 2014/0217478 A1 Aug. 7, 2014(Continued) Primary Examiner—Zandra Smith Related
US Application Data Assistant Examiner—Lawrence Tynes, Jr.(60) Provisional application …

Ultrasonic transducers in complementary metal oxide semiconductor (CMOS) wafers and related apparatus and methods

JM Rothberg, KG Fife, NJ Sanchez, SA Alie - US Patent 9,505,030, 2016 - Google Patents
Micromachined ultrasonic transducers formed in comple mentary metal oxide semiconductor
(CMOS) wafers are described, as are methods of fabricating Such devices. A metallization …

Microfabricated ultrasonic transducers and related apparatus and methods

JM Rothberg, SA Alie, KG Fife, NJ Sanchez… - US Patent …, 2016 - Google Patents
Micromachined ultrasonic transducers integrated with complementary metal oxide
semiconductor (CMOS) sub strates are described, as well as methods of fabricating Such …

Microfabricated ultrasonic transducer having individual cells with electrically isolated electrode sections

SA Alie, KG Fife, J Lutsky, D Grosjean - US Patent 10,512,936, 2019 - Google Patents
An ultrasonic transducer includes a membrane, a bottom electrode, and a plurality of cavities
disposed between the membrane and the bottom electrode, each of the plurality of cavities …

Microfabricated ultrasonic transducers and related apparatus and methods

JM Rothberg, SA Alie, KG Fife, NJ Sanchez… - US Patent …, 2019 - Google Patents
Micromachined ultrasonic transducers integrated with complementary metal oxide
semiconductor (CMOS) sub strates are described, as well as methods of fabricating such …

Microfabricated ultrasonic transducers and related apparatus and methods

JM Rothberg, SA Alie, KG Fife, NJ Sanchez… - US Patent …, 2018 - Google Patents
Micromachined ultrasonic transducers integrated with complementary metal oxide
semiconductor (CMOS) substrates are described, as well as methods of fabricating such …

Microfabricated ultrasonic transducers and related apparatus and methods

JM Rothberg, SA Alie, KG Fife, NJ Sanchez… - US Patent …, 2019 - Google Patents
Micromachined ultrasonic transducers integrated with complementary metal oxide
semiconductor (CMOS) sub strates are described, as well as methods of fabricating such …

Microfabricated ultrasonic transducers and related apparatus and methods

JM Rothberg, SA Alie, KG Fife, NJ Sanchez… - US Patent …, 2018 - Google Patents
Micromachined ultrasonic transducers integrated with complementary metal oxide
semiconductor (CMOS) sub strates are described, as well as methods of fabricating such …