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Estimating Stencil Life and Ideal Heating Profile of Solder Paste Using Advanced Thermo-Gravimetric Analysis

Thermo-gravimetric Analysis (TGA) measures weight changes in a material as a function of temperature (or time) under a controlled atmosphere. This technique is currently used in the design phas .. read more

1st Order Failure Model for Area Array CSP Devices with Pb-Free Solder

As some of the reliability issues and cost associated with tin silver copper solders become more apparent,alternative pb-free solder formulations are being considered. Of particular interest ar .. read more

Calculated Shear Stress Produced by Silicone and Epoxy Thermal Interface Materials (TIMs) During Thermal Cycling

Choosing a Thermal Interface Material adhesive can have an impact on the reliability of the microelectronic package in harsh thermal environments where thermal cycling temperature ranges are mo .. read more

Creep of Sn-(3.5-3.9)wt%Ag-(0.5-0.8)wt%Cu Lead-Free Solder Alloys and Their Solder Joint Reliability

A new set of constitutive equations for a class of lead-free solder alloys,Sn(3.5-3.9)wt%Ag(0.5-0.8)wt%Cu is proposed in this investigation. These equations are applied to a 256PBGA (plastic ba .. read more

HDPUG's Design for Lead-Free Solder Joint Reliability of High-Density Packages

The lead-free solder-joint reliability of the high-density packages,256-pin PBGA (plastic ball grid array),388-pin PBGA,and 1657-pin CCGA (ceramic column grid array),on PCB (printed circuit boa .. read more

Estimating Stencil Life and Ideal Heating Profile of Solder Paste Using Advanced Thermo-Gravimetric Analysis

Thermo-gravimetric Analysis (TGA) measures weight changes in a material as a function of temperature (or time) under a controlled atmosphere. This technique is currently used in the design phas .. read more

1st Order Failure Model for Area Array CSP Devices with Pb-Free Solder

As some of the reliability issues and cost associated with tin silver copper solders become more apparent,alternative pb-free solder formulations are being considered. Of particular interest ar .. read more

Calculated Shear Stress Produced by Silicone and Epoxy Thermal Interface Materials (TIMs) During Thermal Cycling

Choosing a Thermal Interface Material adhesive can have an impact on the reliability of the microelectronic package in harsh thermal environments where thermal cycling temperature ranges are mo .. read more

Creep of Sn-(3.5-3.9)wt%Ag-(0.5-0.8)wt%Cu Lead-Free Solder Alloys and Their Solder Joint Reliability

A new set of constitutive equations for a class of lead-free solder alloys,Sn(3.5-3.9)wt%Ag(0.5-0.8)wt%Cu is proposed in this investigation. These equations are applied to a 256PBGA (plastic ba .. read more

HDPUG's Design for Lead-Free Solder Joint Reliability of High-Density Packages

The lead-free solder-joint reliability of the high-density packages,256-pin PBGA (plastic ball grid array),388-pin PBGA,and 1657-pin CCGA (ceramic column grid array),on PCB (printed circuit boa .. read more