Abstract:
An image reading device, which includes: an original document reading section that emits light to an original document and in the vicinity of the original document, receives reflected light and outputs image signals; an original document positioning guide that has at least a first color and a second color on a side receiving the light emitted from the original document reading section, and is used for settling a position of the original document; a detection section that monitors a first image signal in a scanning direction from the first color to the original document and a second image signal in a scanning direction from the second color to the original document, and detects a position for extracting image signals corresponding to the light reflected on the original document on the basis of a change occurring in either of the first image signal or the second image signal.
Abstract:
In a method for manufacturing a semiconductor memory device, a semiconductor chip and an adhesive tape having an adhesive layer are prepared. The adhesive layer comprises a polyamic acid intermediate derived for example from a pyromellitic dianhydride and a diamine. The adhesive tape is pressed onto the semiconductor chip at a temperature of from about 250.degree. C. to about 400.degree. C. for a predetermined time period such as 2 to 5 sec.
Abstract:
A clock signal control system of the present invention includes a simple circuit for generating a clock stop signal. With this circuit, the system is small size and easy to design and consumes a minimum of power.
Abstract:
A test circuit for conducting a simultaneous test of a plurality of integrated circuits provided in dicing regions of a wafer. The test circuit has a pattern generator electrically connected to the integrated circuits through first interconnections for generating input signal patterns and subsequent transmission thereof to each of the integrated circuits and pattern compressor/comparator electrically connected to the integrated circuits through second interconnections for analyzing output signals fetched from the integrated circuits so as to conduct a simultaneous test of a plurality of the integrated circuits.
Abstract:
A method of placing integrated circuit chips on a wafer uses a library of average delay time values of logic gates. Exposure-dependent delay time values of the logic gates, which result from exposure of a unit area to a beam of radiation, are additionally stored in the library. These delay time values are detected by successively exposing unit areas of a test wafer to a beam of radiation as a function of relative positions of each integrated circuit chip within the unit exposure area. In a modified embodiment, only one integrated circuit chip within each unit area is exposed to the radiation beam, and the exposure-dependent delay time values are detected as a function of position within the exposed integrated circuit chip or as a function of distance from the center of the each unit area.
Abstract:
A resin composition comprising a polyester and a modified polyolefin, wherein said polyester has an amide bond in polymer main chain and said modified polyolefin has a carboxylic acid group or a derivative thereof.
Abstract:
In a digital processor having a plurality of memories and a plurality of ALUs, each of address ports of each of the memories is associated with an address generation circuit capable of executing a loop processing required for address generation. With this arrangement, it is possible to access a plurality of memories, and therefore, the processing efficiency is improved.
Abstract:
A digital processor has a data processing unit having arithmetic/logic operation circuits, an instruction memory for storing an instruction word, and an instruction decoder for decoding the instruction word read from the instruction memory and outputting the control signals respectively to the arithmetic/logic operation circuits. Each instruction word has at least a first control field and a second control field. The instruction decoder has two decoding circuits. Each of the decoding circuits corresponds to each group of the arithmetic/logic operation circuits, receives the instruction word for decoding the second control field into a control signal and outputs an ENABLE signal. The ENABLE signal from the first decoding circuit is applied to the second decoding circuit, and the ENABLE signal from the second decoding circuit is applied to the first decoding circuit. Only one of the first and second decoding circuits outputs a control signal at a time.
Abstract:
A polyurethane polyol obtained by reacting a hydrocarbon diol of the formula (A):HO--R--OH (A)wherein R is a C.sub.7-20 linear or branched alkylene group, with isophorone diisocyanate and having a number average molecular weight of from 500 to 20,000.