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1

Damage diagnostics on a welded zone of a steel truss member using an active sensing network system

Seunghee Park, Chung-Bang Yun, Yongrae Roh

Journal:

NDT & E International

Year:

2007

Language:

english

File:

PDF, 307 KB

english, 2007

2

Design and fabrication of an ultrasonic speaker with thickness mode piezoceramic transducers

Yongrae Roh, Changho Moon

Journal:

Sensors and Actuators A: Physical

Year:

2002

Language:

english

File:

PDF, 256 KB

english, 2002

3

Development of vector hydrophone using thickness–shear mode piezoelectric single crystal accelerometer

Pyo, Seonghun, Kim, Jungsuk, Kim, Hoeyong, Roh, Yongrae

Journal:

Sensors and Actuators A: Physical

Year:

2018

Language:

english

File:

PDF, 1.71 MB

english, 2018

4

Design of an underwater Tonpilz transducer with 2-2 mode piezocomposite materials

Roh, Yongrae, Lu, Xiaoguang

Journal:

The Journal of the Acoustical Society of America

Year:

2006

Language:

english

File:

PDF, 649 KB

english, 2006

5

SPIE Proceedings [SPIE SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring - Las Vegas, Nevada, United States (Sunday 20 March 2016)] Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2016 - Design of a bullet beam pattern of a micro ultrasound transducer (Conference Presentation)

Varadan, Vijay K., Roh, Yongrae, Lee, Seongmin

Year:

2016

Language:

english

File:

PDF, 109 KB

english, 2016

6

Tonpilz-type vector sensor for the estimation of underwater sound wave direction

Roh, Yongrae, Lim, Youngsub

Journal:

The Journal of the Acoustical Society of America

Year:

2018

Language:

english

File:

PDF, 2.50 MB

english, 2018

7

Optimization and characterization of a wideband multimode Tonpilz transducer for underwater acoustical arrays

Afzal, Muhammad Shakeel, Lim, Youngsub, Lee, Seungjin, Yoon, Hongwoo, Roh, Yongrae

Journal:

Sensors and Actuators A: Physical

Year:

2020

File:

PDF, 1.78 MB

2020

8

Development of a new standing wave type ultrasonic linear motor

Yongrae Roh, Jaehwa Kwon

Journal:

Sensors and Actuators A: Physical

Year:

2004

Language:

english

File:

PDF, 317 KB

english, 2004

9

Development of an SH-SAW sensor for the detection of DNA hybridization

Youngjune Hur, Jinho Han, Jooheon Seon, Yukeun Eugene Pak, Yongrae Roh

Journal:

Sensors and Actuators A: Physical

Year:

2005

Language:

english

File:

PDF, 392 KB

english, 2005

10

Design and fabrication of a new traveling wave-type ultrasonic linear motor

Yongrae Roh, Susung Lee, Wooseok Han

Journal:

Sensors and Actuators A: Physical

Year:

2001

Language:

english

File:

PDF, 281 KB

english, 2001

11

Design and fabrication of a dual-axial gyroscope with piezoelectric ceramics

Hyeok Ryoo, Youngjin Lee, Yongrae Roh

Journal:

Sensors and Actuators A: Physical

Year:

1998

Language:

english

File:

PDF, 678 KB

english, 1998

12

Design and fabrication of piezoceramic bimorph vibration sensors

Ibong Jung, Yongrae Roh

Journal:

Sensors and Actuators A: Physical

Year:

1998

Language:

english

File:

PDF, 701 KB

english, 1998

13

New design of matching layers for high power and wide band ultrasonic transducers

Yeon-bo Kim, Yongrae Roh

Journal:

Sensors and Actuators A: Physical

Year:

1998

Language:

english

File:

PDF, 787 KB

english, 1998

14

A study on the design of a shear wave ultrasonic transducer considering the effect of the side layer

Kyohoon Han, Yongrae Roh

Journal:

Sensors and Actuators A: Physical

Year:

1998

Language:

english

File:

PDF, 712 KB

english, 1998

15

The performance of a 1–3 mode piezocomposite ultrasonic transducer in relation to the properties of its polymer matrix

Kyohoon Han, Yongrae Roh

Journal:

Sensors and Actuators A: Physical

Year:

1999

Language:

english

File:

PDF, 1.84 MB

english, 1999

16

Design of withdrawal-weighted SAW filters

Youngjin Lee, Seunghee Lee, Yongrae Roh

Journal:

IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control

Year:

2002

Language:

english

File:

PDF, 421 KB

english, 2002

17

Characterization of all the elastic, dielectric, and piezoelectric constants of uniaxially oriented poled PVDF films

Yongrae Roh,, Varadan, V.V., Varadan, V.K.

Journal:

IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control

Year:

2002

Language:

english

File:

PDF, 2.87 MB

english, 2002

18

Optimization of structural variables of a flextensional transducer by the statistical multiple regression analysis method

Kang, Kookjin, Roh, Yongrae

Journal:

The Journal of the Acoustical Society of America

Year:

2003

Language:

english

File:

PDF, 401 KB

english, 2003

19

A finite element analysis of an interferometric optical fiber hydrophone with a concentric composite mandrel including a foaming layer

Im, Jong-in, Roh, Yongrae

Journal:

The Journal of the Acoustical Society of America

Year:

1999

Language:

english

File:

PDF, 250 KB

english, 1999

20

SPIE Proceedings [SPIE SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring - San Diego, California, USA (Sunday 6 March 2011)] Behavior and Mechanics of Multifunctional Materials and Composites 2011 - Equivalent properties of 1-3 piezocomposites made of PMN-PT single crystals for underwater sonar transducers

Kim, Jinwook, Ounaies, Zoubeida, Seelecke, Stefan S., Roh, Yongrae

Year:

2011

Language:

english

File:

PDF, 583 KB

english, 2011

21

Design and fabrication of an annular array high intensity focused ultrasound transducer with an optimal electrode pattern

Woo, Jeongdong, Roh, Yongrae

Journal:

Sensors and Actuators A: Physical

Year:

2019

Language:

english

File:

PDF, 1.87 MB

english, 2019

22

Development of a SAW duplexer with one-chip isolation circuits

Yongrae Roh, Seunghee Lee

Journal:

Year:

2004

Language:

english

File:

PDF, 339 KB

english, 2004

23

Simple expressions of the reflection and transmission coefficients of fundamental lamb waves by a rectangular notch

Byungsoo Kim, Yongrae Roh

Journal:

Year:

2011

Language:

english

File:

PDF, 2.19 MB

english, 2011

24

Optical detection of Cu2+ ion using a SQ-dye containing polymeric thin-film on Au surface

Kyungsik Ock, Gabsoo Jang, Yongrae Roh, Sunghoon Kim, Jaeho Kim, Kwangnak Koh

Journal:

Microchemical Journal

Year:

2001

Language:

english

File:

PDF, 337 KB

english, 2001

25

Deposition of ZnO Thin Films by the Ultrasonic Spray Pyrolysis Technique

Lee, Youngjin, Kim, Hagbong, Roh, Yongrae

Journal:

Japanese Journal of Applied Physics

Year:

2001

Language:

english

File:

PDF, 383 KB

english, 2001

26

PZT-based active damage detection techniques for steel bridge components

Park, Seunghee, Yun, Chung-Bang, Roh, Yongrae, Lee, Jong-Jae

Journal:

Smart Materials and Structures

Year:

2006

Language:

english

File:

PDF, 787 KB

english, 2006

27

[IEEE 1998 IEEE Ultrasonics Symposium. Proceedings - Sendai, Japan (5-8 Oct. 1998)] 1998 IEEE Ultrasonics Symposium. Proceedings (Cat. No. 98CH36102) - Development of ZnO thin films for SAW devices by the ultrasonic spray pyrolysis technique

Hagbong Kim,, Youngjin Lee,, Yongrae Roh,, Jinyoung Jung,, Manhyeong Lee,, Hyukchae Kwon,

Year:

1998

Language:

english

File:

PDF, 245 KB

english, 1998

28

Determination of the complex material constants of PMN–28%PT piezoelectric single crystals

Joh, Cheeyoung, Kim, Jinwook, Roh, Yongrae

Journal:

Smart Materials and Structures

Year:

2013

Language:

english

File:

PDF, 780 KB

english, 2013

29

Homogenization of PMN-PT/epoxy 1–3 piezocomposites by resonator measurements and finite element analysis

Kim, Jinwook, Roh, Yongrae

Journal:

Sensors and Actuators A: Physical

Year:

2014

Language:

english

File:

PDF, 3.07 MB

english, 2014

30

What's hot on NewScientist.com

Kim, Jinwook, Roh, Yongrae

Journal:

Year:

2009

Language:

english

File:

PDF, 53 KB

english, 2009

31

Design of an Underwater Tonpilz Transducer with 1–3 Piezocomposite Materials

Pei, Da Lie, Roh, Yongrae

Journal:

Japanese Journal of Applied Physics

Year:

2008

Language:

english

File:

PDF, 287 KB

english, 2008

32

[IEEE 2009 IEEE International Ultrasonics Symposium - Rome, Italy (2009.09.20-2009.09.23)] 2009 IEEE International Ultrasonics Symposium - Wideband multimode Tonpilz transducer with a cavity inside a head mass

Chhith, Saosometh, Roh, Yongrae

Year:

2009

Language:

english

File:

PDF, 921 KB

english, 2009

33

Surface Acoustic Wave DNA Sensor with Micro-Fluidic Channels

Sakong, Jungyul, Roh, Heesu, Roh, Yongrae

Journal:

Japanese Journal of Applied Physics

Year:

2007

Language:

english

File:

PDF, 271 KB

english, 2007

34

Investigation on the Reflection and Transmission of Lamb Waves across a Rectangular Notch

Kim, Byungsoo, Roh, Yongrae

Journal:

Japanese Journal of Applied Physics

Year:

2009

Language:

english

File:

PDF, 345 KB

english, 2009

35

[IEEE 2013 IEEE International Ultrasonics Symposium (IUS) - Prague, Czech Republic (2013.07.21-2013.07.25)] 2013 IEEE International Ultrasonics Symposium (IUS) - Development of a highly attenuative backing for ultrasonic transducers with periodic arrangement of polymeric rods inside the backing

Byungkuk Bae,, Hyungkeun Lee,, Susung Lee,, Wonseok Lee,, Yongrae Roh,

Year:

2013

Language:

english

File:

PDF, 2.29 MB

english, 2013

36

Wideband Tonpilz Transducer with a Cavity Inside a Head Mass

Chhith, Saosometh, Roh, Yongrae

Journal:

Japanese Journal of Applied Physics

Year:

2010

Language:

english

File:

PDF, 319 KB

english, 2010

37

[IEEE 2013 IEEE International Ultrasonics Symposium (IUS) - Prague, Czech Republic (2013.07.21-2013.07.25)] 2013 IEEE International Ultrasonics Symposium (IUS) - Design and fabrication of a new multi-active-layer transducer with a single-copper-layer FPCB

Eunhee Shin,, Sangseok Lee,, Jongkil Kim,, Byungkuk Bae,, Heewon Kim,, Susung Lee,, Yongrae Roh,

Year:

2013

Language:

english

File:

PDF, 1.38 MB

english, 2013

38

[IEEE 2012 IEEE International Ultrasonics Symposium - Dresden, Germany (2012.10.7-2012.10.10)] 2012 IEEE International Ultrasonics Symposium - Ultrasonic 2D matrix array transducer for volumetric imaging in real time

Woo, Jeongdong, Roh, Yongrae

Year:

2012

Language:

english

File:

PDF, 1.56 MB

english, 2012

39

[IEEE 2009 IEEE International Ultrasonics Symposium - Rome, Italy (2009.09.20-2009.09.23)] 2009 IEEE International Ultrasonics Symposium - Optimal design of a piezoelectric 2D array transducer to minimize the cross talk between active elements

Lee, Wonseok, Roh, Yongrae

Year:

2009

Language:

english

File:

PDF, 1.24 MB

english, 2009

40

[IEEE 2008 IEEE Ultrasonics Symposium (IUS) - Beijing, China (2008.11.2-2008.11.5)] 2008 IEEE Ultrasonics Symposium - Optimal design of an underwater piezocomposite ring transducer

Zhi Tian,, Roh, Yongrae, Wonho Kim,, Cheeyoung Joh,

Year:

2008

Language:

english

File:

PDF, 1.11 MB

english, 2008

41

[IEEE 2013 IEEE International Ultrasonics Symposium (IUS) - Prague, Czech Republic (2013.07.21-2013.07.25)] 2013 IEEE International Ultrasonics Symposium (IUS) - 2D array transducer with a conductive backing

Woo, Jeongdong, Lee, Wonseok, Lee, Sanggon, Roh, Yongrae, Hyungkeun Lee,, Byungkuk Bae,, Eunhee Shin,, Sunghag Kim,

Year:

2013

Language:

english

File:

PDF, 593 KB

english, 2013

42

[IEEE International Frequency Control Symposium - Orlando, FL, USA (28-30 May 1997)] Proceedings of International Frequency Control Symposium - Design and fabrication of a dual axial gyroscope with piezoelectric ceramics

Hyeok Ryoo,, Youngjin Lee,, Yongrae Roh,

Year:

1997

Language:

english

File:

PDF, 527 KB

english, 1997

43

[IEEE 2010 IEEE Ultrasonics Symposium (IUS) - San Diego, CA, USA (2010.10.11-2010.10.14)] 2010 IEEE International Ultrasonics Symposium - Simple formulas for transmission and reflection coefficients of a Lamb wave by multiple defects

Kim, Byungsoo, Roh, Yongrae

Year:

2010

Language:

english

File:

PDF, 1.04 MB

english, 2010

44

OPTIMAL DESIGN OF A 1-3 PIEZOCOMPOSITE TONPILZ TRANSDUCER BY MEANS OF THE FINITE ELEMENT METHOD

PEI, DA LIE, ROH, YONGRAE

Journal:

Modern Physics Letters B

Year:

2008

Language:

english

File:

PDF, 158 KB

english, 2008

45

[IEEE IEEE Ultrasonics Symposium, 2004 - Montreal, Canada (23-27 Aug. 2004)] IEEE Ultrasonics Symposium, 2004 - SAW sensor for anti-human-immuno-globulin G molecule detection

Yongrae Roh,, Youngjune Hur,, Pak, Y.E.

Year:

2004

Language:

english

File:

PDF, 2.73 MB

english, 2004

46

Ultrasonic two-dimensional array transducer of the single-unit type with a conductive backing of the 1–3 piezocomposite structure

Woo, Jeongdong, Roh, Yongrae

Journal:

Japanese Journal of Applied Physics

Year:

2014

Language:

english

File:

PDF, 921 KB

english, 2014

47

Characterization of All the Elastic, Piezoelectric, and Dielectric Constants of Tetragonal Pb(Mg 1/3 Nb 2/3 )O 3 –PbTiO 3 Single Crystals

Lee, Sang-Han, Roh, Yongrae

Journal:

Japanese Journal of Applied Physics

Year:

2007

Language:

english

File:

PDF, 238 KB

english, 2007

48

Design and fabrication of a multimode ring vector hydrophone

Lim, Youngsub, Joh, Cheeyoung, Seo, Heeseon, Kim, Jinyoung, Roh, Yongrae

Journal:

Japanese Journal of Applied Physics

Year:

2014

Language:

english

File:

PDF, 467 KB

english, 2014

49

Ultrasonic transducers for medical volumetric imaging

Journal:

Japanese Journal of Applied Physics

Year:

2014

Language:

english

File:

PDF, 373 KB

english, 2014

50

Analysis of Elastic Wave Velocities in Magnetostrictive Materials

Kang, Kookjin, Roh, Yongrae

Journal:

Japanese Journal of Applied Physics

Year:

2003

Language:

english

File:

PDF, 248 KB

english, 2003