Abstract: A polishing apparatus includes a polisher that polishes a target object to be polished. A holder is rotatable while holding the target object to be polished. Multiple concentric elastic members around the center of a rotation shaft of the holder are provided on the holder and elastically press the target object to be polished against the polisher. Multiple sensors are provided in the elastic members and detect vibration from a polishing surface of the target object to be polished. The detected vibration allows the polishing apparatus to create an unevenness map of the polishing surface and correspondingly actuate the concentric elastic members to remove the unevenness, according to a control sequence set in advance, based on the detected vibration, in a polishing control program to control the concentric elastic members.

Abstract: A polishing apparatus includes an acoustic sensor, a sound collector, an analyzer, a feature quantity calculator, and an end point calculator. The acoustic sensor detects the polishing sound of an object. The sound collector collects a polishing sound detected by the acoustic sensor. The analyzer performs frequency analysis on the power spectrum of the polishing sound with a predetermined time resolution. The feature quantity calculator calculates an arithmetic value of the power spectra having a preset time difference of the power spectra as a polishing feature quantity by using the analysis data provided by the analysis performed by the analyzer. The end point calculator determines a polishing end point of the object based on the change in the feature quantity.

Abstract: A polishing apparatus includes a polisher that polishes a target object to be polished. A holder is rotatable while holding the target object to be polished. Multiple concentric elastic members around the center of a rotation shaft of the holder are provided on the holder and elastically press the target object to be polished against the polisher. Multiple sensors are provided in the elastic members and detect vibration from a polishing surface of the target object to be polished. The detected vibration allows the polishing apparatus to create an unevenness map of the polishing surface and correspondingly actuate the concentric elastic members to remove the unevenness, according to a control sequence set in advance, based on the detected vibration, in a polishing control program to control the concentric elastic members.

Abstract: A control device of a semiconductor manufacturing apparatus includes a processor and a memory connected to the processor and storing instructions executable by the processor. The instructions collect a sound of processing a substrate by the semiconductor manufacturing apparatus. The instructions calculate a difference of a power spectrum of the processing sound between a first point of time and a second point of time. The instructions determine a change point of processing of the substrate based on the difference.

Abstract: An ink jet printer includes an ink jet head and an ink jet head control circuit supplying a control signal to control the ink jet head. The ink jet head includes a nozzle, an ink chamber, an actuator configured to change a pressure of the ink chamber to eject ink from the nozzle, a driver circuit that is connected to a signal line on which the control signal is supplied and configured to generate a drive waveform for driving the actuator according to the control signal, and a non-volatile memory connected to the signal line and configured to store information of the ink jet head. The ink jet head control circuit includes a drive control circuit connected to the signal line and configured to output the control signal to the signal line, and a non-volatile memory control circuit that accesses the non-volatile memory via the signal line.

Abstract: A polishing apparatus includes an acoustic sensor, a sound collector, an analyzer, a feature quantity calculator, and an end point calculator. The acoustic sensor detects the polishing sound of an object. The sound collector collects a polishing sound detected by the acoustic sensor. The analyzer performs frequency analysis on the power spectrum of the polishing sound with a predetermined time resolution. The feature quantity calculator calculates an arithmetic value of the power spectra having a preset time difference of the power spectra as a polishing feature quantity by using the analysis data provided by the analysis performed by the analyzer. The end point calculator determines a polishing end point of the object based on the change in the feature quantity.

Abstract: An ink jet head includes first side walls including two piezoelectric elements, second side walls, a first electrode, a second electrode, an ink chamber containing conductive ink, and a control unit. The second side walls alternate with the first side walls to provide side surfaces for driving pressure chambers and dummy pressure chambers. On one of the first side walls, the first electrode is on the side wall surface of a driving pressure chamber and a second electrode is on the side wall surface of a dummy pressure chamber. The control unit applies a voltage having a first waveform to the first electrode, and a voltage having a second waveform, a portion of which is inverted with respect to the first waveform, to the second electrode to cause ink to be ejected, and cause the second electrode to electrically float such that ink is not ejected.

Abstract: An ink jet printer includes an ink jet head and an ink jet head control circuit supplying a control signal to control the ink jet head. The ink jet head includes a nozzle, an ink chamber, an actuator configured to change a pressure of the ink chamber to eject ink from the nozzle, a driver circuit that is connected to a signal line on which the control signal is supplied and configured to generate a drive waveform for driving the actuator according to the control signal, and a non-volatile memory connected to the signal line and configured to store information of the ink jet head. The ink jet head control circuit includes a drive control circuit connected to the signal line and configured to output the control signal to the signal line, and a non-volatile memory control circuit that accesses the non-volatile memory via the signal line.

Abstract: An ink jet head drive device includes a first pulse generation circuit configured to generate a common first pulse for a plurality of nozzles in an array of an ink jet head, a plurality of second pulse generation circuits, each of which is configured to generate a second pulse for one of a group of consecutive nozzles in the plurality of nozzles in the array, a width of each second pulse being set according to correction data provided for each group of consecutive nozzles, a waveform generation circuit configured to generate drive waveforms for the plurality nozzles in the array using the common first pulse and the second pulses, and a drive circuit that receives the drive waveforms and drives a plurality of actuators for ejecting ink droplets from the plurality of nozzles. Each second pulse causes a pressure chamber connected to the plurality of nozzles to expand.

Abstract: A control device of a semiconductor manufacturing apparatus includes a processor and a memory connected to the processor and storing instructions executable by the processor. The instructions collect a sound of processing a substrate by the semiconductor manufacturing apparatus. The instructions calculate a difference of a power spectrum of the processing sound between a first point of time and a second point of time. The instructions determine a change point of processing of the substrate based on the difference.

Abstract: An ink jet head includes first side walls including two piezoelectric elements, second side walls, a first electrode, a second electrode, an ink chamber containing conductive ink, and a control unit. The second side walls alternate with the first side walls to provide side surfaces for driving pressure chambers and dummy pressure chambers. On one of the first side walls, the first electrode is on the side wall surface of a driving pressure chamber and a second electrode is on the side wall surface of a dummy pressure chamber. The control unit applies a voltage having a first waveform to the first electrode, and a voltage having a second waveform, a portion of which is inverted with respect to the first waveform, to the second electrode to cause ink to be ejected, and cause the second electrode to electrically float such that ink is not ejected.

Abstract: An image data is pre-processed in parallel by a pre-processing unit (A) and a pre-processing unit (B) arranged in parallel. The image data is transferred in synchronization with an image processing signal obtained by ORing a BD signal and an interpolation signal. Laser scanning for plural beams of a multi-laser beam is performed in synchronization with the BD signal. Color matching processing or zeronization processing for the multi-laser beam is performed in synchronization with the image processing signal.

Abstract: In the marine hose of the present invention, protruded parts are provided at each axial direction end of the axial direction ends of the hose bodies, each axial direction end is located at both sides in the axial direction of the connection portion which is provided with limit mechanism. By this, when the marine hose is wound up to the reel, the protruded parts of the hose bodies contact the outer surface of the reel, the outer surface of the limit mechanism does not contact the outer surface of the reel. Thus, large amount of the bending force is not added to the limit mechanism.

Abstract: An image data is pre-processed in parallel by a pre-processing unit (A) and a pre-processing unit (B) arranged in parallel. The image data is transferred in synchronization with an image processing signal obtained by ORing a BD signal and an interpolation signal. Laser scanning for plural beams of a multi-laser beam is performed in synchronization with the BD signal. Color matching processing or zeronization processing for the multi-laser beam is performed in synchronization with the image processing signal.

Abstract: An object of the present invention is to provide a marine hose of which a limit mechanism does not work unnecessarily at the time of being wound up to a reel. In the marine hose of the present invention, protruded parts are provided at each axial direction end of the axial direction ends of the hose bodies, said each axial direction end is located at both sides in the axial direction of the connection portion which is provided with limit mechanism. By this, when the marine hose is wound up to the reel, the protruded parts of the hose bodies contact the outer surface of the reel, the outer surface of the limit mechanism does not contact the outer surface of the reel. Thus, large amount of the bending force is not added to the limit mechanism.