Multek have a good photoimaged via generation process capability,
Merix/DCI and Hadco are some others with laser (co + YAG) tech.
The ony reason i suggest these 4 is we have found good results for upto
down 3 mil vias(blind)

Hope that helps

--
PARVEZ M.S. PATEL                             ADDRESS:
GRADUATE STUDENT,                             APT.#2, 182 Westend Avenue,
SYSTEMS SCIENCE AND INDUSTRIAL ENGG.          BINGHAMTON, NY-13905
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