One-Step OSP BGA Soldering Application
The ball-attach process can be considered a trivial step when creating an FCBGA or similar package, but the final soldering step can be rather complex...
New Developments in Semiconductor Materials
In the past, Jim Hisert has worked very closely with the semiconductor products as an applications engineer. But now, as the product specialist for th...
Indium Vacuum, Hermetic and Cryogenic Seals
Due to its softness and compressibility, indium is ideal for use in creating a seal. Generally 99.99% indium is adequate for a vacuum, her...
Mixed Technology Boards Utilizing InTEGRATED® Solder Preforms
A Solder Alternative Utilizing Integrated Solder Preforms. Printed circuit boards containing both surface mounted and through-hole components are comm...
IMAPS 2013: International Symposium on Microelectronics
The 46th International Symposium on Microelectronics will be held in Orlando, Florida, September 30th through October 3rd, 2013. I will be attending b...
Addressing a Defect of Poor wetting and Non-Spread of Solder Preforms
We’ve heard about the solder paste “graping” defect, but the same oxidation challenge occurs in other solder forms as well, such as ...
Mixed Technology Boards: A Solder Alternative Utilizing InTEGRATED PREFORMS®
Printed circuit boards containing both surface mounted and through-hole components are common, and are often referred to as “mixed technology&rd...
How to Solder a Wire to a Pad
It seems like a fairly simple thing to do. What could be difficult about soldering a wire to a pad? Well, I hear three common complaints a...
Indium Seals
Due to its softness and compressibility, indium is ideal for use in creating a seal. Let’s get right into it: Indium preforms are commonly...
Solder Preforms Deliver Uniformity of Solder Volume in a Joint
Attaining consistent and accurate solder (and flux) volume uniformity in hand soldering has long been a critical quality and performance issue. ...
Indium Seal Replacement
With time, cryogenic and vacuum seals wear out and lose their ability to perform. Sometimes the need for replacement is due to heat or con...
The Interesting Physical Properties of Indium Metal
Solders, as a class, are “interesting” metals. And the properties of indium-containing solders are exceptionally interesting. ...