White Papers

Laser Reflow Soldering: A Process Solution Part I (PDF - 290 KB)
This paper explains why diode lasers have been identified as an excellent heat source for solder paste reflow. It reviews the heating options available, compares them to diode lasers, and assists in the decision making process to determine whether a diode laser is the better choice for a particular solder reflow application.

Laser Reflow Soldering: A Process Solution Part II (PDF - 377 KB)
This paper covers the specifics of how to determine which process choices are the right ones, based on the needs of your product to maximize yield and throughput.

First Principles of Solder Reflow (PDF - 290 KB)
Many solder users think that reflow profiling guidelines with specific times and temperatures will provide the answer to their reflow problems. Unfortunately, this is not often the case.

Dispensing Solder Paste Micro-Deposits to 0.2mm - A Process Solution (PDF - 214 KB)
This paper addresses the process requirements for solder paste micro-deposits in terms of material, equipment and process variable control required for success in producing 0.25mm and smaller deposits.

Dispensing with Auger Valves (PDF - 588 KB)
This white paper is suitable for both new and experienced users. It provides a practical education in the use and misuse of auger valves for solder paste dispensing. Covers the best and worst practices associated with the process variables involved in solder paste dispensing.

Dispensing with Pulsed Air (PDF - 262 KB)
This white paper is suitable for both new and experienced users. It is a practical education in the use and misuse of timed air pulse equipment for solder paste dispensing. Covers the best and worst practices associated with process variables involved in solder paste dispensing.

Tombstone Troubleshooting (PDF - 205 KB)
This troubleshooting guide is a practical education in the causes and process variables that influence component tombstoning during the reflow process. It explains how to change contributing variables to minimize or eliminate tombstoning