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This road map shows the process of the bipolar IC manufacturing.
This integrated circuit has vertical NPN and PNP transistors and
lateral PNP transistors, and those blocking voltages (VCEs) are 40V.
The metal single layer and the polycrystalline silicon single layer can be furnished on this IC as interconnects.
Polycrystalline silicon resistance, diffusion resistance and the
polycrystalline silicon capacitance are installed to this IC as
passive elements.