Patent ID: 6438449
Filing Date: 2002-08-20
Classification: B25J,H01L

Abstract:
An apparatus for transporting a substrate comprising:an arm provided to be moved forward and backward with respect to a body portion of said apparatus and capable of holding a substrate; an optical connector for emitting light which is fixedly provided in said apparatus body portion; an optical connector for receiving light which is fixedly provided in said apparatus body portion; a light emitting part provided in said apparatus body portion for transmitting a first light signal to said optical connector for emitting light; a light receiving part provided in said apparatus body portion for receiving a second light signal from said optical connector for receiving light; an optical fiber for emitting light which serves to transmit said first light signal between said optical connector for emitting light and said light emitting part; and an optical fiber for receiving light which serves to transmit said second light signal between said optical connector for receiving light and said light receiving part.