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No matter what the technology, some common suggestions emerged from company
and vendor experience for successfully implementing an alternative MHC
- Many facilities and vendors stressed the importance of high-quality
equipment for conveyorized (horizontal) systems.
- Since there can be major differences between direct metallization
and electroless copper processes, line operators need to be willing
to accept changes and retraining.
- Some vendors and manufacturers emphasized that facilities should take
a "whole- process" view of the MHC technology installation. Process
changes upstream and/or downstream may be necessary to optimize the
alternative MHC process.
- Perhaps the most important factor in successfully implementing an
alternative technology is a strong commitment from management and line
operators to the new technology.
As shown in the CTSA and in these facilities'experiences, alternative technologies
are successfully "making holes conductive." According to the manufacturers
interviewed for this report, alternative technologies offer benefits, but
facilities may first have to overcome the problems encountered during installation.²
After installing these systems, the most successful facilities improved
their production efficiency and their worker safety, while decreasing environmental
impacts. Hopefully, the experiences of these manufacturers will help others
considering a switch to an alternative MHC technology.
| ²For description of the experiences
of PWB manufacturers in northern California with direct metallization,
see the report, Direct Metallization Report, completed
by the City of San Jose's Environmental Services Department.
For a copy, contact John Mikhar at 408-945-3036.