LIGHT SENSITIVE COMPOSITIONS FOR USE IN

Brand	Owner	Address	Description
THINK POSITIVE	SHIPLEY COMPANY INC.	2300 WASHINGTON ST. NEWTON MA 02162	LIGHT-SENSITIVE COMPOSITIONS FOR USE IN PHOTO FABRICATION;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A disk drive is disclosed comprising a disk, an actuator arm, a head coupled to the actuator arm, a base, and an optical sensor operable to detect a position of the actuator arm. The optical sensor comprises a light source that is stationary relative to the base, a plurality of light sensitive sensors positioned to receive light from the light source, and a substantially opaque element positioned between the light source and the light sensitive sensors configured to control an amount of light at least one of the plurality of light sensitive sensors detects relative to the position of the actuator arm.