Abstract: A noise-canceling device of a voice communication terminal that removes noise elements included in received voice signals. The device comprises: a digital filter array that exhibits filter qualities in response to a coefficient setting signal showing each supplied arrays of filter coefficients, and includes a first-stage filter that receives the received voice signals as well as multiple later-stage filters connected thereto in a straight line; a filter qualities designator that generates input designation that designates each qualities of the multiple digital filters forming the digital filters array; and a filter coefficient setter that retains multiple arrays of filter coefficients, extracts a filter coefficient array corresponding to the designation input from among the multiple filter coefficient arrays, and supplies to each multiple digital filters.

Abstract: A reversible multicolor thermal recording medium capable of recording and erasing repeatedly high-contrast clear images free of color fogging without causing color deterioration and a method for recording on the recording medium. The reversible multicolor recording medium includes recording layers numbered from the first to the nth, which are formed on a supporting substrate separately and independently in sequential order, the recording layers each containing a reversible thermal color developing composition differing from one another in the hue of the developed color and further containing a light-heat converting composition which generates heat upon absorption of near infrared rays with a wavelength in different ranges, and the recording layers having respectively the absorption peak wavelengths ? max 1, ? max 2, . . . , ? max n, in the near infrared region such that 1500 nm>? max 1>? max 2> . . . >? max n>750 nm.

Abstract: A reversible multicolor recording medium includes a supporting substrate, and recording layers which have, respectively, a plurality of reversible thermal coloring compositions having different colors. The recording layers are separated from and stacked on one another on the supporting substrate. The reversible thermal coloring compositions respectively include light-to-heat transforming materials which respectively absorb infrared rays having different wavelength ranges to generate heat.

Abstract: To provide a lubricant for recording medium, which is advantageous not only in that it maintains excellent lubricity under various conditions for use and excellent lubricating effect over a long time, but also in that it can impart excellent transport properties and excellent abrasion resistance as well as excellent durability. For example, when C18H37—CH(CH2COOC10H6OH)COORf (wherein Rf represents a saturated or unsaturated partially-fluorinated-alkyl group) is used as a lubricant for magnetic recording medium, there can be obtained a magnetic recording medium having excellent transport properties and excellent abrasion resistance as well as excellent durability.

Abstract: A reversible multicolor thermal recording medium which is free from fogging and has sharp contrast even after recording and erasing are performed repeatedly, and a recording method using the same are provided. A reversible multicolor recording medium is provided, which includes recording layers each containing a plurality of reversible thermal coloring compositions having different coloring tones, formed to be separated from and stacked on a surface direction of a supporting substrate; and the plurality of reversible thermal coloring compositions containing light-to-heat transforming materials which absorb infrared rays having different wavelength ranges to generate heat, respectively; wherein an absorption peak wavelength of the light-to-heat transforming material contained in the recording layers becomes the longest wavelength at the layer formed nearest the supporting substrate, and becomes a shorter wavelength as the layer is closer to the surface layer in the stacked order.

Abstract: A reversible multicolor recording medium includes a supporting substrate, and recording layers which have, respectively, a plurality of reversible thermal coloring compositions having different colors. The recording layers are separated from and stacked on one another on the supporting substrate. The reversible thermal coloring compositions respectively include light-to-heat transforming materials which respectively absorb infrared rays having different wavelength ranges to generate heat.

Abstract: A reversible multicolor recording medium includes a supporting substrate and a recording layer including reversible thermal coloring compositions having different colors on the supporting substrate. The reversible thermal coloring compositions are included within a separated and independent minute gap structure, and respectively have light-to-heat transforming materials which respectively absorb infrared rays having different wavelength ranges to generate heat.

Abstract: In a semiconductor-mounting substrate used to manufacture a plurality of electronic packages, a first multi-layer substrate section is composed of a metal film layer and an electronic insulation layer, and a plurality of package areas are defined on a surface of the first substrate section. A second multi-layer substrate section is composed of at least two metal film layers which are spaced from an electric insulation layer intervened therebetween. The first substrate section is laminated onto the second substrate section, using a press machine, such that the electronic insulation layer of the first substrate section is laid on one of the metal film layers of the second substrate section. A chip-mounting opening is formed at each package area in the first substrate section prior to the lamination of the first substrate section onto the second substrate section.

Abstract: To provide a lubricant for recording medium, which is advantageous not only in that it maintains excellent lubricity under various conditions for use and excellent lubricating effect over a long time, but also in that it can impart excellent transport properties and excellent abrasion resistance as well as excellent durability. For example, when C18H37—CH(CH2COOC10H6OH)COORf (wherein Rf represents a saturated or unsaturated partially-fluorinated-alkyl group) is used as a lubricant for magnetic recording medium, there can be obtained a magnetic recording medium having excellent transport properties and excellent abrasion resistance as well as excellent durability.

Abstract: Compounds represented by the following formula (I) and pharmaceutically acceptable salts thereof are disclosed. The compounds have progesterone receptor binding inhibitory activity and, hence, can be used as therapeutic and prophylactic agents for progesterone-related diseases. Specifically, they are useful as abortifacients, oral contraceptive pills, carcinostatic agents for breast cancer and ovarian cancer, therapeutic agents for endometriosis, meningioma, and myeloma, and therapeutic and prophylactic agents for osteoporosis and climacteric disturbance.

Abstract: A semiconductor chip is bonded to lead terminals via insulating layers. The semiconductor chip is electrically connected to the lead terminals in bonding parts on the tip of inner leads by bonding wires, respectively. Indentation having smaller width than that of the bonding parts are provided in the portion where the lead terminal is bonded to the insulating layer. A bent part is provided in the lead terminal is bonded to the insulating layer. Sealing the semiconductor chip, the lead terminals, the insulating films and the bonding wires by resin, a semiconductor device is completed.

Abstract: This invention provides a magnetic recording medium which, even when the friction time is prolonged or the scan speed is increased to achieve a long time recording, will leave no burnt matters onto a magnetic head, reduce spacing loss, and prevent an increase in error rate. This invention also provides a cleaning tape which, without causing any wear and damage of a magnetic head, will remove the head of burnt matters adherent thereto.They are actually a magnetic recording medium and cleaning tape which hold an antiseize agent containing a compound with a pyridine skeleton and two or more ligand sites. Alternatively, they are a magnetic recording medium and cleaning tape which hold an antiseize agent containing a diketone compound. The antiseize agent may contain a titanium coupling agent, carboxylic acid, and phosphor-containing compound, in addition to the above compound.

Abstract: Compounds represented by the following formula (I) or pharmaceutically acceptable salts thereof and a process for producing the same are disclosed. The compounds have progesterone receptor binding inhibitory activity and, hence, can be used as therapeutic and prophylactic agents for progesterone-related diseases. Specifically, they are useful as carcinostatic agents for breast cancer and ovarian cancer, therapeutic agents for hysteromyoma, endometriosis, meningioma, and myeloma, abortifacients, oral contraceptive pills, and therapeutic and prophylactic agents for osteoporosis and climacteric disturbance. ##STR1## wherein R.sup.1 represents alkyl or aralkyl; R.sup.

Abstract: The present invention provides a magnetic recording medium having a magnetic layer comprising a ferromagnetic powder dispersed in a binder so as to exhibit an excellent electromagnetic property.The magnetic recording medium has a magnetic layer formed on a non-magnetic body, from a magnetic paint mainly consisting of a ferromagnetic powder and a binding agent. This magnetic layer also contains a metal chelate compound of a diketone shown in Chemical Formula given below: ##STR1## wherein R.sup.1 to R.sup.3 are selected from a group consisting of hydrogen, halogen, hydroxyl group, nitro group, carboxyl group, carbonyl group, amino group, amide group, and sulfonic acid group as well as alkyl group, aryl group, hetero-aromatic group replaced therewith and wherein the metal of the chelate compound is Ti, Zr, Ni, Sn, Co, or Cr.

Abstract: A magnetic recording medium comprising a non-magnetic base layer and an magnetic layer provided thereon which comprises a magnetic powder and a binder cured with a curing agent, wherein said binder has the hydroxyl group and said curing agent is a mixed polyvalent isocyanate compound comprising oligomers made of a diisocyanate monomer, wherein 50% by weight or more of said mixed compound comprises said oligomers which have polymerization degrees of 7 or less. The curing agent improves curing properties of the binder, and the magnetic recording medium produced therewith is excellent in sliding durability.

Abstract: In a plastic encapsulated semiconductor device, there is used a lead frame including an island for bearing thereon a semiconductor chip, a number of terminal leads extending outwardly from a proximity of the island, a pair of wing leads extending outwardly from a pair of opposite short-sides of the island. The wing leads are not coupled with tie-bars of the lead frame, and are positioned in a plane lower in level than a plane of the terminal leads. With this arrangement, even if pitch of the terminal leads is narrowed, the wing leads can be made not to interfere interfering with the terminal leads.

Abstract: In a remote tie-bar lead frame 10 rising an island 4 for bearing a semiconductor chip, one pair of hanger pins 1 for supporting the island 4, a number of outwardly extending leads 2 located to surround the island 4 separately from the island 4, and a pair of tie-bars 6 for mutually tying the leads so as to prevent a flow-out of a resin when a resin packaging is carried out, one pair of wing leads 3A outwardly extend from a pair of opposite sides of the island 4 orthogonal to the pair of opposite sides from which the hanger pins 1 extends. Each of the wing leads 3A extends between a pair of adjacent leads, but terminates to slightly outwardly project from a mold line 5.

Abstract: 16-membered macrolide compounds wherein both of hydroxyl groups at the 3"- and 4"-positions form ether bonds together with two alkyl groups which are either the same or different from each other is useful as an antibacterial agent. The macrolide compounds represented by formula (I) are prepared by chemically modifying midecamycin A.sub.3 to obtain a synthesis intermediate of the formula (II), which is further chemically modified.

Abstract: An IC mounting method and its resulting structure, such as an IC card is provided. An IC card includes a metal plate formed with at least one hole, and an IC chip is located fixed in position in the hole with a filler material filling the gap between the hole and the IC chip. An interconnect pattern is provided on the plate with an electrically insulating film sandwiched therebetween, and the interconnect pattern is in electrical contact with a contact pad of the IC chip. Preferably, the surface of the IC chip on which the contact pad is provided is substantially flush with one surface of the plate. When an electrically insulating film is fixedly attached to a substrate having a hole, in which an IC chip is fixedly provided, by an adhesive agent, the material of the film is selected to be similar to the material of the adhesive agent.

Abstract: The gold wire used for the wire bonding of a semiconductor device comprises at least three kinds of elements selected from rare earth elements such as La, Ce and Pr: Be, Ca, Mg, Ag, Fe: and platinum group elements; and the balance of Au at high purity.