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
RM 95: SMTA SMT Certification Course Authors Dr. Ron Lasky and Jim Hall
RM 94: Dr. Ron Lasky on His Many Books
RM 93: Dr. Kunal Shah on Ni-Less ENIG
PCB Chat 96: The Latest HDP Initiatives with Jack Fisher and Madan Jagernauth
PCB Chat 95: Latest PCB ECAD Market Data with Wally Rhines
RM 92: IPC Apex Expo Conversations: Reflow Thermal Control / Automated Device Programming
RM 91: Conversations from IPC APEX Expo - Inspection Systems - Contract Assembly - and Pirates!
PCB Chat 94: Michael Kirschner on Sustainability Standards
RM 90: Mike Adamson on Component Storage
PCB Chat 93: Mack Technologies on EMS Manufacturing in Mexico
RM 89: Tombstoning Mitigation with Tony Lentz
PCB Chat 92: Dr. James Lee and Chris Banton on RIT’s PCB Design Curriculum
RM 88: Indium’s Brian O’Leary on Electric Vehicles
PCB Chat 91: Wally Rhines on the Latest ECAD Software Trends
PCB Chat 90: Travis Kelly on the PCBAA
RM 84: Christopher Frederickson on Solder Paste Inspection
PCB Chat 89: College Training Programs for Electronics
PCB Chat 88: HDP Users Group Update
C2C 12: Smart Splice Cofounder Larry Welk
RM 83: Thermal Management Expert Miles Moreau
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