Lead-Free Solder has Secondary or Less Impact on Tin Consumption
Folks, A few years ago, Prismark estimated that the world electronics usage of lead was 18,500 tons per year. Assume most solder at the time was ...
Folks, A few years ago, Prismark estimated that the world electronics usage of lead was 18,500 tons per year. Assume most solder at the time was ...
Calculating the thermal conductivity of an alloy is not done by taking an average (or weighted average) of its elemental constituents. When two metals...
Head-in-pillow defects caused by everything before the components go on-line can be grouped into Supply Issues. Some specific issues within this group...
Tabbing Ribbon Solar tabbing ribbon typical consists of 10-15 micrometers of solder alloy coated on OFHC or ETP copper strip. SN60, (60% tin and 40% l...
Folks, About two years ago it appeared that SAC305 (3.0% silver, 0.5% Cu, the balance tin) was becoming the de-facto standard for Pb-Free assembly. Wi...
A couple of my colleagues, Jim Hisert and Andy Mackie recently published an article about the use of solders in chip packaging. The article begins wit...
There has been a increase in the number of requests for reflow profiles for lead-free solders. This is a change from last year, where a majority of th...
Folks, In a world drowning in electronic waste, where less than 10% of electronics are recycled, RoHS is more about recycling, than protecting the env...
Folks, There has recently been concern over the raising price of commodities (e.g.: copper, tin, silver, gold, cement, steel, oil, lumber, etc). So it...
Folks, One of my closest and most respected colleagues in our industry is Jim Hall of ITM. Along with Phil Zarrow, also of ITM, Jim and......
Folks, As one might expect, repeal RoHS movements are now occurring. These movements continue to miss or misunderstand a few points which are think ar...
Haibing writes: Question 1: My questions are centered around RoHS judgments. That is, how I can judge whether a contract manufacturer is RoHS c...