Effect of cure shrinkage of epoxy molding compound on warpage behavior of semiconductor package

JH Baek, DW Park, GH Oh, DO Kawk, SS Park… - Materials Science in …, 2022‏ - Elsevier
Cure shrinkage of the epoxy molding compound (EMC) for semiconductor package during
molding process, was precisely measured using a fiber Bragg grating (FBG) sensor by …

Simultaneous measurement of effective chemical shrinkage and modulus evolutions during polymerization

Y Wang, L Woodworth, B Han - Experimental mechanics, 2011‏ - Springer
A novel method is proposed to simultaneously measure the effective chemical shrinkage
and modulus evolutions of advanced polymers during polymerization. The method utilizes …

Thermal isolation of FBG optical fibre sensors for composite cure monitoring

EKG Boateng, P Schubel, R Umer - Sensors and Actuators A: Physical, 2019‏ - Elsevier
This paper reports experimental and numerical thermal isolation techniques for Fibre Bragg
Grating (FBG) sensors used for cure monitoring of thermoset matrix composites. The FBG …

Thermal sensing performance analysis, preparation and application of bimetallic layer MFBG

C Li, M Liu, H Song, J Wang, Y Wu, X Chen - International Journal of Heat …, 2023‏ - Elsevier
The FBG (fiber Bragg grating) can be embedded in metal to form smart structure, and to
protect the FBG, the surface can be coated with high melting point metal such as Ni. MFBG …

[ספר][B] Polymer Optical Fiber Bragg Gratings: Fabrication and Sensing Applications

R Oliveira, LMB Bilro, R Nogueira - 2019‏ - books.google.com
Polymer optical fibers (POFs) have been regarded as a viable alternative to silica fibers in a
variety of sensing applications. Fiber optic sensors offer key advantages over other sensing …

Dual-configuration fiber Bragg grating sensor technique to measure coefficients of thermal expansion and hygroscopic swelling

Y Sun, Y Wang, Y Kim, B Han - Experimental mechanics, 2014‏ - Springer
We propose a method based on the dual-configuration fiber Bragg grating (FBG) sensor to
measure the coefficients of thermal expansion (CTE) and hygroscopic swelling (CHS) of …

Synthesis and characterization of radiation crosslinked nano silver-polyvinyl alcohol/polyethylene oxide composites

SA Al-Gahtany, FS Shokr - Journal of Macromolecular Science, Part …, 2018‏ - Taylor & Francis
Abstract Poly (vinyl alcohol)/poly (ethylene oxide)(PEO/PVA) blends were modified by
gamma irradiation in the presence of acrylic acid (AAc) monomer. The modified PVA/PEO …

Characterization of non-linear polymer properties to predict process induced warpage and residual stress of electronic packages

Y Sun - 2016‏ - search.proquest.com
Nonlinear thermo-mechanical properties of advanced polymers are crucial to accurate
prediction of the process induced warpage and residual stress of electronics packages. The …

[HTML][HTML] Modelling heat transfer through an FBG optical fibre

P Schubel, R Umer, EKG Boateng - Composites Part A: Applied Science …, 2018‏ - Elsevier
This paper presents a new approach to model heat transfer through an optical fibre. Three
thermal strain modelling procedures were evaluated for coated and uncoated FBG optical …

Spectral response of Bragg gratings in multimode polymer waveguides

A Bhuvaneshwaran, S Sherman, H Zappe - Applied Optics, 2017‏ - opg.optica.org
A means to calculate the multimodal spectral response of Bragg gratings in general non-
circular multimode waveguides is proposed. To illustrate the power of the technique, the …