Nobuhiro KUGA


Non-Contact IM Measurement Method of 2-Terminal Semiconductors Including DC-Vias Condition
Yugo ANDO Nobuhiro KUGA 
Publication:   - - Abstracts of (Japanese Edition)
Publication Date: 2019/03/01
Vol. J102-C  No. 3  pp. 44-50
Type of Manuscript:  Special Section PAPER (Special Section on Heterogeneous Integrated Packaging Technologies to Lead the Innovation of Social Systems)
Category: 
Keyword: 
intermodulationnon-linear noisenon-contact measurementbias voltage2-terminal semiconductor element
 Summary | Full Text(in Japanese):PDF(832.9KB)

Passive Intermodulation Measurement of Lossy Particles Using Low Permittivity Base Materials
Yusuke ISHII Nobuhiro KUGA 
Publication:   - - Abstracts of (Japanese Edition)
Publication Date: 2019/03/01
Vol. J102-C  No. 3  pp. 38-43
Type of Manuscript:  Special Section PAPER (Special Section on Heterogeneous Integrated Packaging Technologies to Lead the Innovation of Social Systems)
Category: 
Keyword: 
passive intermodulationelectromagnetic absorbernonlinearitynon-contact measurement
 Summary | Full Text(in Japanese):PDF(1.5MB)

PIM-source Identification in Non-contact PIM Measurements of Ultra-fine Coaxial Lines with Mating Coaxial Connectors
Soudai HARA Nobuhiro KUGA 
Publication:   - - Abstracts of (Japanese Edition)
Publication Date: 2018/02/01
Vol. J101-C  No. 2  pp. 91-98
Type of Manuscript:  Special Section PAPER (Special Section on Heterogeneous Integration Packaging Technologies Realizing Next Generation Mobility Devices)
Category: 
Keyword: 
passive intermodulationcoaxial linenon-contact measurementmicro measurementcoaxial connectorcoaxial tube
 Summary | Full Text(in Japanese):PDF(1.1MB)

Noncontact PIM Performance Evaluation of Small Resisters Using Coaxial Tube
Ryunosuke MUROFUSHI Nobuhiro KUGA 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2016/11/01
Vol. J99-C  No. 11  pp. 527-529
Type of Manuscript:  Special Section LETTER (Special Section on High-functionality and High-density Packaging Technologies for Next Generation Mobility Applications)
Category: 
Keyword: 
nonlinearityintermodulationsurface mount devicesnon-contact measurementPIM
 Summary | Full Text(in Japanese):PDF(433.2KB)

Sample-placement Method of the Non-contact PIM Measurement Using a Coaxial Tube for Single Conductors
Nobuhiro KUGA 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2015/11/01
Vol. J98-C  No. 11  pp. 268-275
Type of Manuscript:  Special Section PAPER (Special Section on Technologies of 3D-IC Assembly Which Materialize Advanced Electronic Devices and Leading Assembly Related Materials)
Category: 
Keyword: 
passive intermodulationnonlinearitynon-contact measurementprinted circuit boardnon-destructive inspection
 Summary | Full Text(in Japanese):PDF(1MB)

An Improvement of Sensitivity for Passive Intermodulation Measurement of a PCB Using the Standing Wave Coaxial Tube Method
Daijiro ISHIBASHI Keita HOSHINO Kensuke SAITO Nobuhiro KUGA 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2012/11/01
Vol. J95-C  No. 11  pp. 372-380
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Material Technological for High-Density Packaging and Hetero Integration)
Category: 
Keyword: 
passive intermodulationPCBsmall roughness of copper foilsnon-linearitynon-contact methodcoaxial tube
 Summary | Full Text(in Japanese):PDF(1.7MB)

T-Slot Antenna on the Ridged Plane of a Ridged Waveguide
Seitaro MIHARA Nobuhiro KUGA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/09/01
Vol. J95-B  No. 9  pp. 1052-1059
Type of Manuscript:  Special Section PAPER (Special Section on Antennas and Propagation Technologies for Progress in Wireless Systems)
Category: 
Keyword: 
ridged waveguideslot antennawaveguide antennaarray antennaplanar array
 Summary | Full Text(in Japanese):PDF(1.1MB)

Patch Antenna with Diode as Passive Intermodulation Source
Kenji IRIE Nobuhiro KUGA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2010/09/01
Vol. J93-B  No. 9  pp. 1170-1176
Type of Manuscript:  Special Section PAPER (Special Issue on Antennas and Propagation Supporting Advanced Wireless System)
Category: 
Keyword: 
patch antennapassive intermodulationbase-station antennasatellite communicationnon-linear phenomina
 Summary | Full Text(in Japanese):PDF(578.8KB)

A Unidirectional Pattern Antenna with Cavity Element and Stacked Gate-Shaped Element
Ryotaro TAMAKI Nobuhiro KUGA Hiroyuki ARAI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/10/01
Vol. J89-B  No. 10  pp. 1991-1997
Type of Manuscript:  PAPER
Category: 
Keyword: 
unidirectional pattern antennaslow-profile antennascavity antennasmoment methods
 Summary | Full Text(in Japanese):PDF(1.1MB)

Characteristics of Print Patch-Loaded T Antenna
Toshiaki YANO Nobuhiro KUGA Hiroyuki ARAI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/09/01
Vol. J89-B  No. 9  pp. 1641-1650
Type of Manuscript:  Special Section PAPER (Special Issue on Design, Analysis and Measurement Techniques in Antennas and Propagation to Meet Expanding Applications of Radio Systems)
Category: 
Keyword: 
T antennamonopole antennafolded monopole antennatop-loaded monopole antennaFDTD method
 Summary | Full Text(in Japanese):PDF(2MB)