Abstract: A printing apparatus includes: a recording head, discharging ink to a recording medium; a roller, having an outer circumferential surface provided for ink idly discharged from the recording head to be attached; a motor, rotating the roller in a predetermined direction; and a scraper, provided to scrape off the ink attached to the outer circumferential surface of the roller in a state in which the roller rotates in the predetermined direction. The scraper has: a recessed surface making surface contact with the outer circumferential surface of the roller; and a notch part formed at an end of the recessed surface, making line contact with the outer circumferential surface of the roller, and recessed in a substantially shape along a rotation direction of the roller and from the end of the recessed surface toward another end.

Abstract: A printing apparatus includes: a recording head, discharging ink to a recording medium; a roller, having an outer circumferential surface provided for ink idly discharged from the recording head to be attached; a motor, rotating the roller in a predetermined direction; and a scraper, provided to scrape off the ink attached to the outer circumferential surface of the roller in a state in which the roller rotates in the predetermined direction. The scraper has: a recessed surface making surface contact with the outer circumferential surface of the roller; and a notch part formed at an end of the recessed surface, making line contact with the outer circumferential surface of the roller, and recessed in a substantially shape along a rotation direction of the roller and from the end of the recessed surface toward another end.

Abstract: A finger nail printer in which a mounting table can be easily pressed downward against a biasing force even when a biasing member with a large biasing force is used is provided. The finger nail printer includes a placing unit and a positioning unit, the placing unit includes a placing table, an extension portion, and a biasing member, a finger is fixed between the placing table and the positioning unit with the biasing force of the biasing member, and the finger can be inserted and removed as the extension portion is pressed downward against the biasing force of the biasing member.

Abstract: A finger nail printer in which a mounting table can be easily pressed downward against a biasing force even when a biasing member with a large biasing force is used is provided. The finger nail printer includes a placing unit and a positioning unit, the placing unit includes a placing table, an extension portion, and a biasing member, a finger is fixed between the placing table and the positioning unit with the biasing force of the biasing member, and the finger can be inserted and removed as the extension portion is pressed downward against the biasing force of the biasing member.

Abstract: A printer includes a printing head and a plurality of recessed portions disposed to oppose the printing head. A depth of each of the recessed portions is larger than a shortest distance of an opening portion of each recessed portion in a planar view. The shortest distance is a width of the opening portion in a view from a medium feeding direction or a width of the opening portion in a view from a moving direction of the printing head.

Abstract: A printer includes: a placement section including a placement surface; a fixed guide that regulates a position of one end of a paper placed on the placement surface; and a moveable guide that slides in a first direction along the placement surface and regulates a position on the other end of the paper, wherein the placement section includes a plurality of recessed parts aligned in the first direction in a region where the moveable guide slides on the placement surface, the moveable guide includes a wall section; and a raised part that engages with one of the plurality of recessed parts, the raised part engages with the one recessed part more firmly when the raised part moves to the other side in the first direction.

Abstract: An ultra-minute microscope for spectroscopy includes a rod-shaped lens having an index of refraction distribution gradient and capable of having a sample mounted on one end surface thereof, an element for projecting a laser beam into the rod-shaped lens from another end surface thereof and converging it to a focal point at an interface region between the one end surface of the rod-shaped lens and the sample, and a scanner for varying the incidence angle of the laser beam to scan the focal point two-dimensionally on the one end surface.

Abstract: A dielectric dispersion determining method applying a transient grating method. The transient response of a sample is observed by the transient grating method using a femtosecond ultrashort visible optical pulse. A vibrational waveform b(t) is determined such that its square b(t).sup.2 replicates vibrational components observed in the transient response. The vibrational waveform b(t) is converted into b(.omega.) through the Fourier transform. The dielectric constant .epsilon.(.omega.) is obtained by substituting the converted value for b(.omega.)/.omega..sup.2 on the right-hand side of the following equation (1) derived from Maxwell's equations. The dielectric constant and/or refraction index can be directly obtained from the transient response to the femtosecond ultrashort visible optical pulse without passing through the dispersion relation which leaves some ambiguity in its definition.

Abstract: A press-formed clutch drum of an automatic transmission of which inner and outer cylindrical surfaces are respectively formed with a first series of splines and a second series of inverted splines. The first and second series of splines are alternatively arranged in a ring so that each adjacent two splines are spaced by an interposal of a connecting portion defined therebetween. Each of the first and second series of splines comprises a pair of raised portions projected radially from the major cylindrical body of the drum, and a depressed portion interposed between the paired raised portions to form a groove in the major cylindrical body. The raised portions of the first and second series of splines are respectively projected inwardly and outwardly with respect to the center axis of the cylindrical body.

Abstract: A functional organic-inorganic composite amorphous material obtained by adding to an organic metal compound of silicon or germanium capable of being made amorphous by hydrolysis and dehydrating condensation, functional organic molecules soluble in a solvent capable of dissolving said organic metal compound, together with the solvent, followed by hydrolysis and dehydrating condensation to form an integrated composite.