In the last half of the 20th century, cleaning of circuit assemblies was a standard assembly practice. The abolishment of popular CFC-based cleaning solvents ushered the introduction of "no-clean" assembly processes. For much of the electronic assembly industry, cleaning became nonexistent.
Due to assembly and component miniaturization and the explosion of both IOT and automotive electronics, which places many circuit assemblies into harsh environments, the practice of removing harmful ionic contamination from circuit assemblies has once again become a mainstream practice. Today, the majority of electronic assemblies are cleaned. And, for many assemblers, cleaning is a new process.
This podcast presents modern best-practice cleaning techniques including:
- An historical look back at cleaning
- The reason for cleaning
- Reasons for cleaning no-clean flux residues
- Conventional cleaning technologies
- Estimating throughput capabilities on batch and inline cleaning systems
- Do's and don'ts of cleaning circuit assemblies
- How to choose a cleaning chemical (if needed)
- How to determine the assemblies are clean during the cleaning process
- How to determine the assemblies are clean after the cleaning process
- New IPC Cleanliness assessment standards
- Environmental mitigation techniques
- Calculating the per-assembly cost of cleaning
- Keeping your cleaning machine in top-working order
PCB Chat Episode 42: Wally Rhines of Mentor on the Q1 EDA Data
PCB Chat Episode 41: Steve Pudles of Zentech
Reliability Matters: Episode 18 - A Conversation with Saturn Electronics' Yash Sutariya about PCB Fabrication
Episode 17 - A Conversation with Brian D'Amico about AOI and SPI Best Practices
PCB Chat Episode 40: Zach Dismukes of Bowman Analytics
SMT Wars: Lessons Learned from a Contract Manufacturer and Their Customer Who Sued Them
The Screw-Ups Episode 3 - Solder Paste Handling
PCB Chat Episode 39: Jim Barry of PCB Technologies
PCB Chat Episode 38: Kent McLeroth of Zuken
PCB Chat Episode 37: Kyle Miller of Zuken
Reliability Matters: Episode 14 - An Interview with Reliability Expert Fred Schenkelberg
Reliability Matters: Episode 13 - A Conversation with KIC's MB Allen About Thermal Management and Reliability
PCB Chat Episode 36: Simon Fried of Nano Dimension
Reliability Matters: Episode 12 - Female Leaders in Tech Everywhere
PCB Chat Episode 35: Brad Griffin on a New PCB 3-D Solver
Reliability Matters Episode 10 - An Interview with Dr. David Bernard - All About X-Ray Inspection
PCB Chat Episode 34: Leah Slaughter
Reliability Matters: Episode 9 - An Interview with Dr. Mike Bixenman about Cleaning Challenges, Chemicals, Components, and Cleanliness Testing
The Week Today - Mar. 18 - 22, 2019
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