Abstract: A method for manufacturing a semiconductor substrate, includes: directly or indirectly applying a composition for forming a resist underlayer film to a substrate to form a resist underlayer film; applying a composition for forming a resist film to the resist underlayer film to form a resist film; exposing the resist film to radiation; and developing the exposed resist film. The composition for forming a resist underlayer film includes: a polymer; an acid generating agent; and a solvent. The resist underlayer film has a film thickness of 6 nm or less.

Abstract: A speaker diaphragm includes a first polymer and a second polymer. The first polymer and the second polymer undergo phase separation. The first polymer is a polyolefin, and the second polymer is a thermoplastic resin being immiscible with the polyolefin. One of either the polyolefin or the thermoplastic resin constitutes a sea phase, and another one of either the polyolefin or the thermoplastic resin constitutes island phases being interspersed in the sea phase.

Abstract: A speaker diaphragm includes a substrate. The substrate includes a resin matrix and fibers. The resin matrix contains a thermoplastic resin as a main component. The fibers are dispersed in the resin matrix. The fibers are polyparaphenylenebenzobisoxazol fibers. An average length of the fibers is 0.5 mm or more and 3.0 mm or less.

Abstract: A host computer, a plurality of thermal carving machines, and a user terminal are connected to a network. The host computer includes seal image creation means that permits edition of a seal image using the user terminal, site selection means that allows a user to specify one site from a site candidates list, ID issuing means that issues an order ID for identifying the contents of an order, and order information registration means that registers the issued order ID and order information in a database. A control device of the thermal carving machine includes order acceptance means that accepts an order ID input when information on the input order ID is registered in the database, and carving control means that performs seal carving of a stamp based on seal image data associated with the order ID.

Abstract: A drum head includes: a head portion in which an opening is formed along a periphery of the head portion; and a protective skin closing the opening and having air permeability.

Abstract: Provides is a seal surface carving apparatus capable of carving a seal surface using only a single attachment irrespective of a size of a stamp. A porous impression die having a seal surface to be carved is set on a dedicated attachment, and is loaded in a seal surface carving apparatus. A fitting projection fit to a bottom portion of the impression die is formed on the attachment, and impression dice having various sizes may be set. In addition, a slit hole extending in a conveyance direction is formed in an impression die setting portion of the attachment. Impression die size determination means of the seal surface carving apparatus determines a size of the impression die by detecting a position at which the impression die blocks the slit hole.

Abstract: A woodwind instrument reed is strip-shaped and has a vamp on one side in a longitudinal direction. The reed includes a resin matrix containing a liquid crystal polymer as a principal component, and a layered mineral dispersed in the resin matrix. A method for producing a woodwind instrument reed that is strip-shaped and has a vamp on one side in a longitudinal direction includes charging a composition for forming the reed into a cavity of a mold from a longitudinal end on a side opposite to the vamp to be formed. The composition contains a liquid crystal polymer as a principal component, and a layered mineral.

Abstract: Dot pattern perforations predetermined according to a type (kind and carving size) of a workpiece are formed in a part of a body of an attachment where the workpiece is to be set. A seal carving apparatus detects the dot pattern of the mounted attachment by means of photosensors to identify the type of the workpiece. This makes it possible to check consistency between type information on the workpiece input by a customer and type information identified from the dot pattern to prevent mismounting of the attachment or an erroneous carving operation.

Abstract: A seal carving apparatus includes a thermal head having a plurality of heat generating elements disposed in lines, and thermal drive control means that performs a control process of selectively and thermally driving the individual heat generating elements while moving the thermal head and a porous material in relative to each other with the thermal head being in abutment with the porous material, thereby forming a seal face on the porous material. The thermal drive control means controls a pulse time width for thermally driving the individual heat generating elements of the thermal head under pulse width modulation control based on gradation image data having a gradation value, thereby forming a seal with a gradation on the porous material.

Abstract: A seal carving apparatus includes a thermal head having a plurality of heat generating elements disposed in lines, and thermal drive control means that performs a control process of selectively and thermally driving the individual heat generating elements while moving the thermal head and a porous material in relative to each other with the thermal head being in abutment with the porous material, thereby forming a seal face on the porous material. The thermal drive control means controls a pulse time width for thermally driving the individual heat generating elements of the thermal head under pulse width modulation control based on gradation image data having a gradation value, thereby forming a seal with a gradation on the porous material.

Abstract: A seal carving apparatus includes a thermal head having a plurality of heat generating elements disposed in lines, and thermal drive control means that performs a control process of selectively and thermally driving the individual heat generating elements while moving the thermal head and a porous material in relative to each other with the thermal head being in abutment with the porous material, thereby forming a seal face on the porous material. The thermal drive control means controls a pulse time width for thermally driving the individual heat generating elements of the thermal head under pulse width modulation control based on gradation image data having a gradation value, thereby forming a seal with a gradation on the porous material.

Abstract: Provides is a seal surface carving apparatus capable of carving a seal surface using only a single attachment irrespective of a size of a stamp. A porous impression die having a seal surface to be carved is set on a dedicated attachment, and is loaded in a seal surface carving apparatus. A fitting projection fit to a bottom portion of the impression die is formed on the attachment, and impression dice having various sizes may be set. In addition, a slit hole extending in a conveyance direction is formed in an impression die setting portion of the attachment. Impression die size determination means of the seal surface carving apparatus determines a size of the impression die by detecting a position at which the impression die blocks the slit hole.

Abstract: The present invention relates to a porous stamp assembly. The manufacturing method of the assembly comprises a first step of hermetically adhering a porous impression die member of thermoplastic resin to a front end face of a frame; a second step of fixing the die member embedded frame onto a mount that is to be in face-to-face relation with a thermal head attached to a seal carving device; a third step of putting the thermal head in contact with an impression surface of the porous impression die member, with a resin film interposed therebetween, and moving the thermal head and the porous impression die member relative to each other; and a fourth step of removing the die member embedded frame from the mount.

Abstract: A host computer, a plurality of thermal carving machines, and a user terminal. are connected to a network. The host computer includes seal image creation means that permits edition of a seal image using the user terminal, site selection means that allows a user to specify one site from a site candidates list, ID issuing means that issues an order ID for identifying the contents of an order, and order information registration means that registers the issued order ID and order information in a database. A control device of the thermal carving machine includes order acceptance means that accepts an order ID input when information on the input order ID is registered in the database, and carving control means that performs seal caning of a stamp based on seal image data associated with the order ID.

Abstract: Dot pattern perforations predetermined according to a type (kind and carving size) of a workpiece are formed in a part of a body of an attachment where the workpiece is to be set. A seal carving apparatus detects the dot pattern of the mounted attachment by means of photosensors to identify the type of the workpiece. This makes it possible to check consistency between type information on the workpiece input by a customer and type information identified from the dot pattern to prevent mismounting of the attachment or an erroneous carving operation.

Abstract: A seal carving apparatus includes a thermal head having a plurality of heat generating elements disposed in lines, and thermal drive control means that performs a control process of selectively and thermally driving the individual heat generating elements while moving the thermal head and a porous material in relative to each other with the thermal head being in abutment with the porous material, thereby forming a seal face on the porous material. The thermal drive control means controls a pulse time width for thermally driving the individual heat generating elements of the thermal head under PWM control based on gradation image data having a gradation value, thereby forming a seal with a gradation on the porous material.

Abstract: The present invention relates to a porous stamp assembly. The manufacturing method of the assembly comprises a first step of hermetically adhering a porous impression die member of thermoplastic resin to a front end face of a frame; a second step of fixing the die member embedded frame onto a mount that is to be in face-to-face relation with a thermal head attached to a seal carving device; a third step of putting the thermal head in contact with an upper major surface of the porous impression die member, with a resin film interposed therebetween, and moving the thermal head and the porous impression die member relative to each other; and a fourth step of removing the die member embedded frame from the mount.

Abstract: The discharge lamp device according to the present invention has a drive signal circuit 10 connected with a DC power supply, a first and a second switching elements S1 and S2 which are controlled by turning ON and OFF by turns by a pair of drive signals 11a and 11b supplied from the drive signal circuit 10 and connected in series between the terminals of the DC power supply, an induction element L5 (L3) connected in series with at least one of these switching elements S1 and S2, a pulse transformer 12 having a primary coil L1 and a secondary coil L2 and the primary coil L1 is connected with the DC power supply and the direction of the current is switched by turns by the switching elements S1 and S2, a discharge lamp 13 arranged by connecting between the secondary terminals L2 of the pulse transformer 12, and a Zener diode element D1 connected with the second switching element S2 in parallel, having a feature of eliminating the generation of a surge pulse of high voltage when lighting, and having an excellent

Abstract: A lighting control signal generating circuit 10 controls the output pulse of a drive signal circuit 11 by the output signal. The output pulses of the drive signal circuit 11 include a first and a second pulse drive signal 11a, 11b, each of which has a phase inverted to each other. These first and second pulse drive signals 11a, 11b are controlled the repetition frequency by the output signal of said light control signal generating circuit 10. Further, the drive signal circuit 11 generates a third pulse drive signal 11c which is so controlled as to be turned ON and OFF in accordance with the output signal of the light control signal generating circuit 10. The first and second pulse drive signal 11a, 11b supplied by the drive signal circuit 11 control the first and the second switching device S1, S2 by turning them ON and OFF alternately. A pulse transformer 12 is provided with a primary coil L1 and a secondary coil L2.

Abstract: A lighting control signal generating circuit 10 controls the output pulse of a drive signal circuit 11 by the output signal. The output pulses of the drive signal circuit 11 include a first and a second pulse drive signal 11a, 11b, each of which has a phase inverted to each other. These first and second pulse drive signals 11a, 11b are controlled the repetition frequency by the output signal of said light control signal generating circuit 10. Further, the drive signal circuit 11 generates a third pulse drive signal 11c which is so controlled as to be turned ON and OFF in accordance with the output signal of the light control signal generating circuit 10. The first and second pulse drive signal 11a, 11b supplied by the drive signal circuit 11 control the first and the second switching device S1, S2 by turning them ON and OFF alternately. A pulse transformer 12 is provided with a primary coil L1 and a secondary coil L2.