# A 10 Sigma Solder Paste Printing Process?

Folks, Let’s check in on Patty as she is about to wrestle with claims of a 10 Sigma Solder Paste Printing Process involving the world’s sm...

# Using the "Wet Gold" Technique to Measure Densities of Less Than 1

Folks, Suresh writes: Dear Dr. Ron: Can densities of less than 1 g/cc be measured with the “Wet Gold” technique? Well, to tell the truth, ...

# Pin-in-Paste Aperture Calculations Using Solder Preforms with StencilCoach

Folks, As mentioned in the last post, it is a common problem with the PIP (pin-in-paste) process to struggle to get adequate solder volume.  If ...

# Pin-in-Paste Aperture Solder Volume Calculations with StencilCoach(TM)

Folks, The pin-in-paste (PIP) process is often the best choice when the PCBA is a mixed SMT and through-hole board with a small number of thr...

# Stencil Coach™ Calculates Optimal Solder Paste Printing Aperture Parameters: Now Available Online

Folks, A while ago, I developed an Excel-based spreadsheet, StencilCoach™, that calculates optimal stencil aperture parameters for several commo...

# Low Temperature Solders Slated to Leave Niche Status by 2017

Folks, It surprises many people that the foundation metal of almost all solder alloys is tin.  Alloy elements such as lead, silver, copper, indi...

# Is the PC (or Tablet or Smartphone) Dead or Dying?

Folks, We hear, on a regular basis, that the PC is dead or dying and will be replaced by the tablet.  More recently, there is news  that the...

# The False Positive Paradox

Folks, Let’s check in on Patty….... Patty was intensely preparing a lecture on Bayes’ Theorem.  She always felt that this theo...

# Demonstrating Zero Defects In SMT Production?

Folks, let’s see how Patty is doing at Ivy U….. Patty had to admit that she really liked being a professor at Ivy University.  No, t...

# Alloy Density Calculator Generates Most Interest of All Blog Posts

Folks, In the nearly ten years that I have been blogging, I am continually surprised by the interest in a spreadsheet I created that calculates alloy ...

# Comparing Two Weibull Distributions

Folks, Let’s look at Patty’s last day of class…... As she was driving north to teach her statistics class, Patty was sad to see her...

# Weibull Analysis at Ivy U

Folks, Let’s check in on how Patty is doing at Ivy U. Patty was nearing the end of her teaching stint at Ivy U.  Only a few more classes re...