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Detection of solder bump defects on a flip chip using vibration analysis

Junchao LIU, Tielin SHI, Qi XIA, Guanglan LIAO

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 29-37 doi: 10.1007/s11465-012-0314-7

Abstract: Solder bump defects on flip chips are difficult to detect, because the solder bumps are obscured by the chipIn this paper a nondestructive detection method combining ultrasonic excitation with vibration analysisis presented for detecting missing solder bumps, which is a typical defect in flip chip packaging.The flip chip analytical model is revised by considering the influence of spring mass on mechanical energyThis revised model is then applied to estimate the flip chip resonance frequencies.

Keywords: flip chip     defect detection     ultrasonic excitation     vibration analysis    

Development of Microfabrication Techniques for Production of Analysis Chip

Wei Shoushui,Zhang Yulin,Cui Dafu

Strategic Study of CAE 2004, Volume 6, Issue 10,   Pages 90-94

Abstract:

Fabrication of micro-channels is a key technique for production of analysis chip.Some available methods of microfabrication for production of analysis chip were proposed.

Keywords: analysis chip     microfabrication     μ-TAS    

Dymola-based multi-parameters integrated optimization for high speed transfer system of LED chip sorter

Jie OUYANG, Bin LI, Shihua GONG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 118-126 doi: 10.1007/s11465-013-0253-y

Abstract:

To enhance the performance of high speed transfer system of LED chip sorting equipment, its control

Keywords: LED chip sorter     multi-domain modeling and simulation     parameter optimization     modelica language    

Single-chip 3D electric field microsensor

Biyun LING, Yu WANG, Chunrong PENG, Bing LI, Zhaozhi CHU, Bin LI, Shanhong XIA

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 581-590 doi: 10.1007/s11465-017-0454-x

Abstract:

This paper presents a single-chip 3D electric field microsensor, in which a sensing element is set

Keywords: electric field microsensor     three-dimensional     single-chip     in-plane rotation    

Development of an electrorheological chip and conducting polymer based sensor

Xianzhou ZHANG, Weihua LI, Weijia WEN, Yanzhe WU, Gordon WALLACE,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 472-472 doi: 10.1007/s11465-009-0077-y

SIMULATION OF O-BLOWN CO-GASIFICATION OF WOOD CHIP AND POTATO PEEL FOR PRODUCING SYNGAS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 448-457 doi: 10.15302/J-FASE-2023490

Abstract:

● Low-value biowaste including wood chip and potato peel was valorized

Keywords: Aspen Plus     co-gasification     potato peel     syngas     simulation     waste reduction     wood chip    

3D finite element prediction of chip flow, burr formation, and cutting forces in micro end-milling of

A. DAVOUDINEJAD, P. PARENTI, M. ANNONI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 203-214 doi: 10.1007/s11465-017-0421-6

Abstract: simulations were performed under different cutting conditions to obtain realistic numerical predictions of chipnotable advantages, such as capability to easily handle any type of tool geometry and any side effect on chipThe proposed 3D FE model considers the effects of mill helix angle and cutting edge radius on the chip

Keywords: 3D finite element modeling     micro end-milling     cutting force     chip formation     burr formation    

Engineered Vasculature for Organ-on-a-Chip Systems Review

Abdellah Aazmi, Hongzhao Zhou, Yuting Li, Mengfei Yu, Xiaobin Xu, Yutong Wu, Liang Ma, Bin Zhang, Huayong Yang

Engineering 2022, Volume 9, Issue 2,   Pages 131-147 doi: 10.1016/j.eng.2021.06.020

Abstract:

Organ-on-a-chip technology, a promising three-dimensional (3D) dynamic culture method, ensures accurateThus, it is essential to integrate the circulatory system into an organ-on-a-chip to recreate tissueThis review discusses the synergy between the vasculature and the emerging organ-on-a-chip technologyIn addition, we review the different steps of a vascularized organ-on-a-chip fabrication process, including

Keywords: Organ-on-a-chip     Vasculature     Bioprinting     Tumor-on-a-chip    

Three-Dimensional Chip Imaging

Marcus Woo

Engineering 2020, Volume 6, Issue 5,   Pages 485-486 doi: 10.1016/j.eng.2020.03.009

Development of electrorheological chip and conducting polymer-based sensor

Xianzhou ZHANG, Weihua LI, Weijia WEN, Yanzhe WU, Gordon WALLACE,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 393-396 doi: 10.1007/s11465-009-0043-8

Abstract: The developed ER chip worked as an actuator, and it was driven by different voltages and control frequenciesmonotonically when the frequency increases, owing to the time delay in the pressure buildup in the ER chip

Keywords: electrorheological (ER) fluids     conducting polymer (CP)     polydimethylsioxane (PDMS)     driving frequency     amplitude     bubble counter    

Machine Learning Produces Superhuman Chip Designs

Robert Pollie,

Engineering 2022, Volume 10, Issue 3,   Pages 7-9 doi: 10.1016/j.eng.2022.01.006

Biological chip technology to quickly batch select optimum cryopreservation procedure

YU Lina, LIU Jing, ZHOU Yixin, HUA Zezhao

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 316-321 doi: 10.1007/s11708-007-0046-2

Abstract: It was shown that microflow-channel chip could not offer a high quality solution distribution.As an alternative, the spot-dropping chip proved to be an excellent way to load the sample quickly andInfrared thermal mapping on such a chip showed that it had a rather uniform heat transfer boundary.Applying the spot-dropping chip combined with the thermoelectric cooling device, the final output of

Keywords: idealistic cryoprotective     concentration     Prototype     technology     alternative    

System-level Pareto frontiers for on-chip thermoelectric coolers

Sevket U. YURUKER, Michael C. FISH, Zhi YANG, Nicholas BALDASARO, Philip BARLETTA, Avram BAR-COHEN, Bao YANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 109-120 doi: 10.1007/s11708-018-0540-8

Abstract: Thermoelectric coolers are among the most promising techniques for dealing with localized on-chip hotmade of an extensive analytical model, which was verified using commercially available finite element analysis

Keywords: thermoelectric cooling     thermal management     optimization     high flux electronics    

Simplified Instruction Set Architecture Accelerates Chip Development— and Wins the 2022 Draper Prize

Chris Palmer

Engineering 2022, Volume 17, Issue 10,   Pages 7-9 doi: 10.1016/j.eng.2022.08.003

A minimized fluorescent chemosensor array utilizing carboxylate-attached polythiophenes on a chip for

Yui Sasaki, Xiaojun Lyu, Zhoujie Zhang, Tsuyoshi Minami

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 1,   Pages 72-80 doi: 10.1007/s11705-021-2037-y

Abstract: successfully discriminated qualitatively and quantitatively by the chemosensor microarray on the glass chip

Keywords: metal ions     polythiophene     chemosensor array     fluorescence     pattern recognition    

Title Author Date Type Operation

Detection of solder bump defects on a flip chip using vibration analysis

Junchao LIU, Tielin SHI, Qi XIA, Guanglan LIAO

Journal Article

Development of Microfabrication Techniques for Production of Analysis Chip

Wei Shoushui,Zhang Yulin,Cui Dafu

Journal Article

Dymola-based multi-parameters integrated optimization for high speed transfer system of LED chip sorter

Jie OUYANG, Bin LI, Shihua GONG

Journal Article

Single-chip 3D electric field microsensor

Biyun LING, Yu WANG, Chunrong PENG, Bing LI, Zhaozhi CHU, Bin LI, Shanhong XIA

Journal Article

Development of an electrorheological chip and conducting polymer based sensor

Xianzhou ZHANG, Weihua LI, Weijia WEN, Yanzhe WU, Gordon WALLACE,

Journal Article

SIMULATION OF O-BLOWN CO-GASIFICATION OF WOOD CHIP AND POTATO PEEL FOR PRODUCING SYNGAS

Journal Article

3D finite element prediction of chip flow, burr formation, and cutting forces in micro end-milling of

A. DAVOUDINEJAD, P. PARENTI, M. ANNONI

Journal Article

Engineered Vasculature for Organ-on-a-Chip Systems

Abdellah Aazmi, Hongzhao Zhou, Yuting Li, Mengfei Yu, Xiaobin Xu, Yutong Wu, Liang Ma, Bin Zhang, Huayong Yang

Journal Article

Three-Dimensional Chip Imaging

Marcus Woo

Journal Article

Development of electrorheological chip and conducting polymer-based sensor

Xianzhou ZHANG, Weihua LI, Weijia WEN, Yanzhe WU, Gordon WALLACE,

Journal Article

Machine Learning Produces Superhuman Chip Designs

Robert Pollie,

Journal Article

Biological chip technology to quickly batch select optimum cryopreservation procedure

YU Lina, LIU Jing, ZHOU Yixin, HUA Zezhao

Journal Article

System-level Pareto frontiers for on-chip thermoelectric coolers

Sevket U. YURUKER, Michael C. FISH, Zhi YANG, Nicholas BALDASARO, Philip BARLETTA, Avram BAR-COHEN, Bao YANG

Journal Article

Simplified Instruction Set Architecture Accelerates Chip Development— and Wins the 2022 Draper Prize

Chris Palmer

Journal Article

A minimized fluorescent chemosensor array utilizing carboxylate-attached polythiophenes on a chip for

Yui Sasaki, Xiaojun Lyu, Zhoujie Zhang, Tsuyoshi Minami

Journal Article