You wrote: > > > >My company is investigating building buried resistors into multilayer PCB's. > > >Is there a demand for PCB's containing buried resistors to be produced in >volume? What type of technologies are contained on these boards >(line/space, BGA, buried via's, etc.) >Are there any shops currently producing them in volume? > >nwbluez > Dear Stacey, Our company, Ohmega Technologies, manufactures the buried resistor material, Ohmega-ply. The demand for PCB's containing buried resistors has increased in a number of areas, especially for high speed resistor termination (series or parallel termination). Many of these applications are of "high density" i.e. BGA, buried via's, controlled impedance, etc. However, our product is also used in some very simple single and double sided circuit boards as well. There are a number of prototype and volume printed circuit shops currently processing the Ohmega-ply buried resistive material. If you would like more detailed information on the Technology, as well as a design guide/literature/list of current board shops please e-mail me your address at [log in to unmask] You can also reach me by phone at (310)559-4400. Regards, Bruce Mahler Vice President Ohmega Technologies Culver City, Calif.