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Two solder paste chemistries and several printing parameters were evaluated in order to achieve consistent solder paste deposition across the assembly. Materials Tech How the Electrical Test industry combats requirements and provides solutions to adhere to ever changing requirements is discussed. Materials Tech This study offers a better understanding of the correlation between rheological properties and shelf life of solder paste exposed to extreme conditions. Materials Tech This paper covers a type of 'crack free' flux paste designed to inhibit cracking under extreme environments. Includes electro-chemical migration tests dew ... Materials Tech This study focused on the thermal fatigue performance and the microstructural evolution of five lead-free solders under harsh service conditions. Materials Tech The strength of solder joints is enhanced by several times, and thermal cycling performance is significantly improved. Materials Tech This paper reports results of the behaviour of Sb in a Sn-Bi alloy and consider the implications of the findings for the reliability of LTS solder joints. Materials Tech This paper discusses the need for low-temperature solders and process-ability of solder pastes with three novel alloys against the industry standard. Materials Tech Lower-temperature paste can be reflowed under a relatively lower peak temperature profile and outperform SAC305 paste in the current WLP256 application. Materials Tech Status of flip chip technology such as wafer bumping, package substrate, flip chip assembly, and underfill is presented in this study. Materials Tech |
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