Fabless semiconductor company Pixelplus Co. Ltd. of Seoul, South Korea, announced yesterday that it will continue to codevelop system-on-a-chip (SoC) image sensors with Sharp Corp. of Japan. The companies collaborated this year to develop the PO5030 SoC image sensor for cell phone cameras. They will now expand their agreement to include 1.3-, 2- and 3.2-megapixel SoC image sensors.