PURPOSE:To suitably cope with an increase in packing density and, at the same time, to reduce the manufacturing cost of a lead frame by connecting the outer peripheral margin with leading end sections of inner leads by means of connecting leads formed of conductor thin films in such a way that the leading end section are electrically insulated from the stage on the stage and electrically connected...

PURPOSE:To enable a lead frame to be easily welded and very firmly electrically connected by a method wherein the lead frame is welded through the intermediary of metal different from the component metal of a lead frame main body and a conductive plate in composition. CONSTITUTION:A copper plate excellent in heat dissipating property is processed into two plates, a first conductive plate 2 to serv...

An easy-to-open package for microwave cooking comprises a layer of non-melting cellulosic material, a support layer of polyethylene terephthalate film, a layer of vacuum deposited metal, and a layer of heat releasable thermoplastic material, used to seal the package in a wrapped conformation.

A disposable safety syringe which comprises a barrel (1), an injection needle (4) fitted on the fore end of barrel (1), a plunger (6) being slidable in barrel (1) from a syringe-filling utmost retracted position to a syringe-emptying forwardmost position, and which is fitted with a manually drivable stem (7) protruding from the rear end of barrel (1), a longitudinally slidable protective sleeve (1...

A composition and method for rendering a surface water repellent. The composition is a substantially solvent-free organoalkoxysilane having between two and nine silicon atoms per silane. An oleophobic organofluoro compound may be added to the composition in order to render the surface also oil repellent.

PCT No. PCT/SE91/00672 Sec. 371 Date Apr. 23, 1993 Sec. 102(e) Date Apr. 23, 1993 PCT Filed Oct. 4, 1991 PCT Pub. No. WO92/05745 PCT Pub. Date Apr. 16, 1992.The invention relates to a method for treating the surface of surgical implants made of titanium or a titanium alloy, for instance dental implants, before implantation in bone tissue. The method results in a roughened exterior implant surface ...

PCT No. PCT/US91/07305 Sec. 371 Date Apr. 7, 1993 Sec. 102(e) Date Apr. 7, 1993 PCT Filed Oct. 7, 1991.A chromating composition including hexavalent and trivalent chromium, phosphate ions, silica, and a silane coupling agent and with ratios among its components within certain specified ranges produces a protective layer on the surface of zinc coated steel treated with the composition that has an e...

This invention contemplates an isolated metallopolypeptide comprising a polyvalent metal ion coordinately linked to 2 to about 8 polypeptide binding ligands, wherein at least 2 of said polypeptide binding ligands are covalently bonded to a linear amphiphilic peptide. The linear amphiphilic peptide has an alpha-helix, beta-sheet or beta-turn conformation. This invention further contemplates a metal...

A temporary stent for supporting a region of a vessel in a body comprising a stent portion and an actuator portion and methods for the use and manufacture thereof. The stent portion is comprised of an elongate perfusable vessel supporting portion adapted to be configurable between a reduced size for placement in the vessel and removal therefrom and an expanded size for structurally supporting the ...

A method is provided for enhanced ultrasonic imaging of the gastrointestinal tract by employing an imaging agent comprising an aqueous particulate dispersion of edible substances, such as insoluble brans and mineral particles. Hydrocolloid particles can also be used, preferably in combination with insoluble non-swelling edible particles.

An infusion system for administering multiple infusates at individually programmable rates, volumes, and sequences in any order from any one or more of plural fluid input ports through a patient output port and into the circulatory system of a patient. Infusates may be either continuously or time sequentially administered, and infusates may be either intermittently administered at selectively regu...

Liquids, specifically liquids containing suspended matter, may be treated by passage through a separator comprising means dividing the container into a first section, intermediate section and third section, with a flat topped weir dividing the first section from the intermediate section. The width of the flat topped weir is selected so that liquid flow over the weir is laminar. At least the flat t...

By ultrafiltration of an aqueous solution wherein there have been formerly dissolved alfa-cyclodextrin and a raw lipidic mixture, the latter characterized in that it contains monosialoganglioside (GM1) either as the sole ganglioside or otherwise in a prevailing quantity over the other associated gangliosides, and after the removal of cyclodextrin at the end of the process, it is obtained GM1 with ...

Curable compositions containing a polyphenylene ether and a polyepoxide composition containing brominated and non-brominated bisphenol polyglycidyl ethers, in combination with further components including specific catalysts and hardeners, may be used in the preparation of laminates useful as printed circuit boards and bonding sheets therefor and having excellent physical and electrical properties.

Antibacterial and antitumor agents designated LL-E33288 complex and their production by new strains of Micromonospora echinospora spp. calichensis NRRL-15839, NRRL-15975 and NRRL-18149, are disclosed.

A method of making a resin encapsulated pin grid array which includes an IC chip mounted on a resin substrate having a plurality of contact pins on its lower surface and resin-encapsulated by injection molding. A metal heat radiating member is integrally formed on the upper surface of the encapsulating resin when the encapsulating resin is injection-molded.

This invention relates to electronic packaging, and more particularly, to ceramic composites for electronic packaging. Electronic packaging most often refers to an assembly wherein semiconducting silicon chips are attached to a substrate by a conductive pathway and encapsulated by plastic or ceramic materials. Materials having a low dielectric constant (e.g., less than 4.0) are preferred for subst...

Compounds of formula (1) and their salts, wherein R<1> is a methyl, ethyl or isopropyl group each substituted by a hydroxyl group or R<1> is a group -(CH2nR7 or a group -CH(CH3)R<7> (where n is zero or 1 and R<7> is CHO or CO2H); Y<1> is -CH2-, Y<2> is -CH- and X represents [where R<2> is a hydrogen atom or a group OR<8> is a hydroxyl group or a substituted hydroxyl group having up ...

A polynucleotide probe with a label bearing a plurality of signalling moieties. The label is attached to the probe by the reaction of an amino and sulfhydryl reactive hetero bifunctional reagent with the probe and label, the reaction resulting in the oxidation of a sulfhydryl group of the label. The label may be attached to the 5' terminus of the probe, or to modified bases of the probe. Probes co...

This invention is a process for purifying nucleoside-5'-diphosphates containing substituents other than primary amines (hereinafter designated as NDPs) from complex mixtures by contacting the aqueous solution mixture with a strongly basic ion exchange resin in the chloride form, eluting certain absorbed impurities with an alkali metal salt solution, converting the column to the hydroxide form by c...