surface (Total 380496 Patents Found)

The present invention relates to bioassay materials useful for the detection of toxic substances and, more particularly, to packaging materials for food and other products, along with methods for their manufacture and use. The invention provides a unique composite material capable of detecting and identifying multiple ...
Employing as surface active agents salts of perfluoroalkane sulphonamides, preferably of the formula ##STR1## in which R F is a perfluorinated aliphatic group having 4 to 20 C-atoms, R is a hydrogen atoms, an alkyl group having 1 to 4 C-atoms, a hydroxyalkyl group having 1 to 4 C-atoms or a cycloalkyl group havi...
A fingerprint detector having a smooth sensor surface for contact with a fingerprint includes capacitive sensor plates defining an array of sensor cells below the sensor surface and tungsten ESD protection grid lines surrounding each sensor cell. The sensor surface is defined by silicon carbide and includes silicon oxi...
The invention relates to a procedure for the analysis of surface and depthrofiles of partially or completely electrically non-conductive specimens using the direct bombardment method of the secondary neutral-particle mass spectrometry SNMS; to dissipate otherwise disturbing ion currents, it is being suggested that a hi...
A connector (A) has a connector housing ( 10 ) with an outer surface ( 10 A). A locking arm ( 11 ) extends from the outer surface ( 10 A). A groove ( 16 ) is formed on a base part ( 12 ) of the locking arm ( 11 ) along a direction in which the base part ( 12 ) is erected. A groove ( 18 ) is formed on an arm part ( 13 )...
A device for generating electric signals representing the position coordinates of a stylus on a reference surface, characterized in that it comprises a signal generator (6) that is fixed with respect to the reference surface and comprising a movable part (5) which works in conjunction with at least two potentiometers g...
Method for regulating the surface level and the consistency in a stock chest for metering of a component stock. Stock is fed as an outward flow out of the bottom portion of a storage tower by a first pump into the stock chest. Into this outward flow, a first dilution water flow is passed in order to regulate the consis...
A surface-protecting film is formed on the surface of the semiconductor element of a resin-sealed semiconductor device to prevent the peeling and cracking of the sealing member used in said device, by coating on said surface a polyimide precursor composition containing a polyimide precursor having a recurring unit cons...
In a vacuum, recording is conducted by exposing a solid surface to a neutral particle beam or an ion beam modulated with a recording signal and converged, thereby to locally develop a change in composition on the solid surface. Then, reproducing is conducted by exposing said solid surface to an electron beam, an ion be...
Apparatus is disclosed for providing a predetermined surface scan velocity of the projected field of view of a scanning instrument. The invention is adapted for use in a scanning instrument having scan drive means including an inertial element and detector means coupled to the inertial element for detecting or projecti...
A semiconductor transducer structure is fabricated by utilizing varying height diffused layers in a sacrificial wafer. A carrier wafer has a dielectric layer on a top surface which includes a layer of glass. The sacarificial wafer, after beign subject to diffusion of highly doped semiconductor material, exhibits a plur...
A surface acoustic wave device having a diamond layer, a piezoelectric layer and a comb-like electrode, in which the piezoelectric layer and the comb-like electrode are formed on a surface of the diamond layer, which surface has been contacted to a substrate used in the formation of the diamond layer by a vapor phase g...
A surface-decorated article by noble metal having a decorating matter of noble metal fused to the surface of a ceramic article. The decorating matter has a dual layer structure of a frit layer and an insulating noble metal film layer, which film layer comprising golden components of 60-90% Au, 3-15% Si, 2-11% In and 2-...
The present invention provides a photographic silver halide emulsion containing at least two grain surface modifiers. The grain surface modifiers comprise a transition metal complex containing a transition metal chosen from Groups V to X, inclusive, of the periodic table and a nitrosyl or thionitrosyl ligand; and a tra...
A diverter for drilling mud is disclosed that has a packer housing mounted on the upper end of a riser through which drilling mud flows to the surface between the riser and the pipe string extending through the riser. A packer having a body of resilient material is located in the housing. Fluid pressure moves the body ...
An integrated circuit (106) having an optically erasable portion (114) is joined to a substrate (102) such that the optically erasable portion faces the substrate. The substrate (102) includes an aperture (104) that exposes the optically erasable portion (114) of the integrated circuit providing erasing capability to t...
A pin attachment method for mounting the pins on a wiring substrate for fabricating a pin grid array package is disclosed. There is provided an organic wiring board including a surface bearing electrical circuitry which includes at least one contact pad for receiving a pin. A solder mask layer which is placed on the bo...
A method for the separation of extracted viscous crude oil placed in a reservoir of a opened cell. Materials such as oil shale, oil sand, or tar sand may be involved. Hot water is introduced to the top surface of the reservoir material in the cell while steam is injected into a steam gallery running through the cell. T...
Incompressible ceramic heat exchange blocks which may be catalyst coated having gas flow channels therethrough or other incompressible heat exchange surface are supported in a metal framework to form a removable basket for a rotary regenerative air heater. Between selected rows of the incompressible heat exchange mater...
A road sweeper which includes a hopper between a cab and a centrifugal separator, a pair of relatively telescopically extendable and retractable members, one member of each pair being pivoted to a frame of the vehicle and another member of each pair being pivoted to a hopper, a pair of control arms pivoted one each bet...
Disclosed is a method for measuring intermolecular force related physical properties of an objective liquid such as elongational viscosity and dynamic surface tension, comprising the steps of atomizing neat liquids to a particle size in a gaseous fluid stream, measuring the particle size of the atomized neat liquid, de...
A process for the manufacture of a surface element in the form of a lamellar mat or sheet which can be used for the absorption of electromagnetic waves, in particularly radar waves. The surface element has a plurality of bands of mineral wool separated by bands of an electrically-conducting material and is manufactured...
A method and an apparatus for sharpening the surface of a grindstone for a pulp grinder. In the method a high-pressure water jet is obliquely projected on the surface of the grindstone for detaching bonding material between abrasive grains, without excessively wearing a medium between grinding segments. The appar...
A system for monitoring a structure is built on a printed circuit board (PCB) mounted at the surface of the structure. A piece of single crystal silicon is mounted on the PCB and is in contact with the structure. An infrared source directly illuminates the silicon while an infrared detector is focused thereon to monito...
A surface acoustic wave filter includes a Y-cut X-propagation LiTaO 3 substrate having a cut angle of about 38 degrees to about 46 degrees, at least first and second series arm surface acoustic wave resonators connected in series to define a series arm, and at least one parallel arm surface acoustic wave resonator con...
A heater for conventional shaving cream containers is described which includes a dome- or ring-shaped heating element. The ring-shaped heating element can be either a donut-shaped heater that fits around the outer surface at the upper region of the shaving cream container, or it can be a dome or inverted dome-shaped he...
A loader station of substrate treating apparatus receives a transport cassette from a preceding stage. This transport cassette stores a plurality of substrates to be treated, arranged with a predetermined spacing therein. An empty processing cassette stands by at the loader station when the transport cassette arrives. ...
This invention relates to a liquid surface active composition which comprises: a) from about 28 percent by weight to about 66 percent by weight of an alcohol ethoxylate having a formula R--O--(CH 2 CH 2 O) n --H, wherein R is an alkyl group having from about 8 to about 18 carbon atoms or an alkylaryl group having an...
A process for surface treatment and wear resistant coating of opening rollers for open end spinning of the type having a basic metallic body and a raw wire clothing, includes the steps of introducing the opening roller into a sealing bath in such a way that this sealing bath fills even the smallest voids between the ra...
Organic polymer surfaces are modified by contacting such surfaces with a halohydroxy compound and a cationic compound of an acid having a pK a >2.5. Preferably the organic polymer is selected from the group consisting of polyesters, aromatic polyamides, polyimides, and graphitic polymers and the contacting is condu...