Array of light emitting devices or photo detectors with marker regions
Patent 5173759 Issued on December 22, 1992. Estimated Expiration Date: 
February 5, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 5, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3654476 Optical print head with graded index fiber arrays for optical printing devices Optical image staggering/destaggering arrangement for multiple array scanning system Light receiving element Contact type image sensor Patent #: 5017987 InventorsAssigneeApplicationNo. 651328 filed on 02/05/1991US Classes:257/88, Plural light emitting devices (e.g., matrix, 7-segment array)257/92, Alphanumeric segmented array257/93, With electrical isolation means in integrated circuit structure257/443, Matrix or array (e.g., single line arrays)257/446, With specific isolation means in integrated circuit257/797, ALIGNMENT MARKS257/918, LIGHT EMITTING REGENERATIVE SWITCHING DEVICE (E.G., LIGHT EMITTING SCR) ARRAYS, CIRCUITRY, ETC.257/E25.02, Devices being arranged next to each other (EPO)257/E27.129, In a repetitive configuration (EPO)257/E27.133, Photodiode array or MOS imager (EPO)313/512, With envelope or encapsulation347/238, Specific light source (e.g., LEDs assembly)362/800LIGHT EMITTING DIODEExaminersPrimary: Mintel, WilliamAttorney, Agent or FirmForeign Patent References
International ClassH01L 027/14Foreign Application Priority Data1990-02-06 JPAbstractIn an optical printer head or image reading apparatus, light emitting diodes, photo detectors and other picture elements are formed, by a specified number of pieces individually, as picture element arrays, and these arrays are linearly arranged. The distance of the picture elements at the adjacent outermost positions of the arrays, that is, the distance between the arrays, and the position of the heightwise direction of the arrays must be composed to be identical. Accordingly, the positioning marks are formed in the arrays in the same manufacturing process of the picture elements, and the distance between the arrays is adjusted at high precision. The arrays are affixed to the wiring substrate with an adhesive, and at this time by adjusting the layer thickness of the adhesive, the positions in the heightwise direction of the array surface are identically controlled. This job is done by adjusting the relative positions of the arrays to be mounted and the wiring substrate, while monitoring the wiring substrate on which the arrays are mounted, by a television camera or the like from the array side surface. | |
