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USPTO Terms of Art — S to SEPA

Glossary of USPTO Terms of Art

| A | B | C-CL | CM-CZ | D-DIM | DIM-DZ | E | F | G | H | I | J-K | L | M-MET | MET-MZ | N | O | P-PHA | PHE-PON | POR-PZ | Q | R | S-SEPA | SEPO-SMT | SN-STEM | STEP-SZ | T-TOG | TON-TZ | U | V | W | X-Z |

S-DIP (CLASS 438)
shrink DIP

SAFETY ELEMENT or ROD (CLASS 376)
See Control Element.

SAFETY-CATCH LINKER (CLASS 506)
A linker which is cleaved by performing two different reactions instead of only one, thus providing greater control over the timing of compound release. In practice, the resin is "activated" before the actual cleavage takes place (e.g., cleavage by nucleophilic displacement of a previously alkylated sulfonamide resin, etc.).

SAG (CLASS 438)
self-aligned gate

salicide (CLASS 438)
self-aligned silicide

SAM (SELF-ASSEMBLED MONOLAYER) (CLASS 977)
Molecule-thick, self-assembled film formed at an interface, e.g., gas/liquid, gas/solid, etc.

SAND MOLD (CLASS 164)
A mold made of sand and used for the making of sand castings. A green sand mold is a mold used as made without any drying operations and contains the original moisture of the mix.

SAND TEMPERING (CLASS 164)
Adding moisture to molding sand to make it workable.

SATELLITE (CLASS 725)
A manufactured object or vehicle intended to orbit the earth and to engage in the reception and transmission of communication signals.

SATURABLE REACTOR (CLASS 330)
An inductive device having a core and at least one winding thereon in which the inductance is variable in accordance with magnetomotive force applied, up to a limiting value beyond which increased magnetomotive force does not change the inductance.

SATURATED (CLASS 520)
Denotes nonethylenically unsaturated; thus, for purposes of this class, materials containing an aryl structure (e.g., benzene, naphthalene, etc.) are treated as saturated materials unless otherwise excluded either specifically or hierarchically. Compare ethylenically unsaturated.

SATURATION (CLASS 257)
The current between the base and collector of a bipolar transistor when an increase in emitter to base voltage causes no further increase in the collector current.

SAW (CLASS 438)
surface acoustic wave (pressure sensitive device)

SBD (CLASS 438)
Schottky barrier diode

SBH (CLASS 438)
Schottky barrier height

SBS (CLASS 438)
silicon bilateral switch

SCANNING (CLASS 343)
Repeatedly moving the antenna beam over an area in space.

SCANNING (CLASS 348)
The successive analyzing or synthesizing, according to a predetermined method, the light values or equivalent characteristics of elements constituting a picture area.

SCANNING PROBE MICROSCOPE (CLASS 977)
Generic term for Scanning Tunneling Microscope (STM) and Atomic Force Microscope (AFM) in their many forms.

SCANNING TUNNELING MICROSCOPE (STM) (CLASS 977)
Instrument with a nanosized tip that manipulates or detects operation based on a quantum tunneling effect generating a current between the tip and an object being manipulated or detected based upon the size of the gap between the tip and object.

SCATTERING CENTERS (CLASS 257)
The impurities (dopants) in semiconductors that cause electrons or holes flowing through the semiconductor to scatter. These reduce carrier mobility and represent a problem in quantum devices because they affect electron coherence length.

SCAVENGER (CLASS 164)
A chemically active material added to molten metal to remove oxides, gases, or other impurities.

SCAVENGING (CLASS 431)
The flushing out of unwanted gas or gas mixture by another gas or gas mixture.

SCCM (CLASS 438)
standard cubic centimeter per minute

SCENE (CLASS 396)
A scene is the view to be recorded on a photographic medium.

SCHEMA (CLASS 707)
The specification and plan followed within the database to arrange and store data.

SCHOTTKY BARRIER (CLASS 257)
A metal to semiconductor interface in which the carrier affinity and doping level of the semiconductor are such that a rectifying junction is formed. Usually, minority carriers in the semiconductor do not significantly contribute to the current flowing in a device with such a barrier.

SCHOTTKY DIODE (CLASS 257)
A diode with a Schottky barrier.

SCHOTTKY JUNCTION (CLASS 117)
An interface formed by a semiconductor and a conductor.

SCM (CLASS 438)
single chip module

SCR (CLASS 438)
silicon controlled rectifier

SCRAM ROD (CLASS 376)
See Control Element.

SCRAMBLE (CLASS 725)
To disarrange the elements of a transmission in order to make it unintelligible to interception.

SCRAP (CLASS 075)
Discarded waste metal suitable for reprocessing.

SCREED (CLASS 425)
An implement used to scrape off or smooth a surface of material which is being molded.

SCREEN (CLASS 353)
This is a planar (usually) light diffusing surface positioned with its plane surface substantially transverse to the projector light for presenting the image in viewable form.

SCREEN (CLASS 460)
A device consisting of suitably mounted wirecloth, grate bars, or perforated sheet iron which removes particles smaller than the grain being threshed, such as weed seeds, sand, and other foreign matter.

SCREEN GRID (CLASS 330)
A grid electrode placed between the control grid and the anode of a vacuum tube to reduce inter-electrode capacitance.

SCREENING (CLASS 506)
Determining whether a library contains a member or members which have a particular property or activity of interest.

SDFL (CLASS 438)
Schottky diode FET logic

SDHT (CLASS 438)
selectively doped heterostructure transistor (e.g., HEMT)

SEAL (CLASS 070)
A device or mechanism designed to so interfere with the normal operation or manipulation of a securing arrangement as to show by rupture, visible external injury, or other disfigurement from its original condition, any unauthorized or surreptitious tampering, attack or manipulation.Included also in exception to the above definition are:

SEAM (CLASS 053)
Two or more edges of the cover material brought together with or without adhesion. Usually the seam is implemented by adhesion, folding or interfitting but a mere overlapping of two edges is sufficient to constitute a seam.

SEARCH STRING (CLASS 707)
A sequence of features submitted as part of unstructured request.

SECOND CLASS CONDUCTORS (CLASS 313)
A material having a very high electrical resistance at ordinary temperatures and a low resistance when heated. Glowers formed of oxides, such as Th2 or the rare earth oxides, used in the pyro-electric (e.g., Nernst) type of incandescent lamp are examples of second class conductors.

SECONDARY CELL OR BATTERY (CLASS 320)
A cell or battery that may have its available charge usefully increased (i.e., recharged) by an electric current passing through it after having been discharged from a usefully charged condition (i.e., the chemical reaction is reversible).

SECONDARY EMISSION ELECTRONIC OR VACUUM TUBE (CLASS 330)
A tube which depends for its operation, at least in part, upon the emission of electrons from a body due to collision of higher energy electrons with the body.

SECONDARY EMISSIVE CATHODE (CLASS 313)
A cathode designed to emit electrons by virtue of the impact by electrons upon the electron emissive surface. See the class definition for the classification of secondary emissive cathodes, per se. See cathanode below.

SECONDARY EMISSIVE ELECTRODE (CLASS 330)
An electrode which emits electrons upon collision with higher energy electrons. Since all electrodes have this characteristic, the term applies only to those electrodes designed to have an electron stream or beam impinge thereon to emit a stream or beam of secondary electrons.

SECURITY (CLASS 712)
Extent of protection for system hardware, software, or data from maliciously caused destruction, unauthorized modification, or unauthorized disclosure.

SECURITY (CLASS 713)
Extent of protection for system hardware, software, or data from maliciously caused destruction, unauthorized modification, or unauthorized disclosure.

SECURITY (CLASS 714)
Extent of protection for system hardware, software, or data from maliciously caused destruction, unauthorized modification, or unauthorized disclosure.

SEED (CLASS 099)
A discrete article, constituting a propagative part of a naturally-occurring edible food, usually found in or near the core-pit area. As to human consumption, it is frequently "waste"; but, as to the reproduction of the species, it is essential.

SEED (CLASS 117)
A material, usually a single-crystal*, upon which a single-crystal* is grown. Seeded crystal growth proceeds by the alignment of atoms or molecules or clusters into a thermodynamically favored arrangement determined by the nature of the seed.

SEED (CLASS 438)
self-enhanced electro-optical devices

SEG (CLASS 438)
selective epitaxial growth

SEGREGATION (CLASS 164)
The occurrence of impurities, inclusions, and alloying constituents in nonuniform distribution.

SEIGNETTE'S SALT (CLASS 117)
See Rochelle salt.

SEL (CLASS 438)
(a)surface emitting laser or (b)state excitation by light

SELECTED WAVELENGTH MODIFIER (CLASS 362)
A type of modifier which modifies light of at least one wavelength (color) differently from light of another wavelength. Such modifiers may reflect, refract or filter light.

SELECTION (CLASS 234)
The conditioning by a device of one or more of a number of available elements. (In this class, the term "selection" is usually employed with reference to tools; tool selection is independent of tool actuation*).

SELF-ASSEMBLY (CLASS 977)
Method of assembling molecules utilizing thermodynamic tendency to seek the lowest energy state for a group of molecules.

SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS (CLASS 318)
A rotary motor of the type in which the rotor element tends to assume a predetermined angular position when the motor is continuously energized and is provided with a commutator or circuit making and breaking device which is actuated by the motor to determine the instants of time at which the field producing windings thereof are energized and de-energized relative to the angular position of the rotary element. See the definition of a Repulsion Motor above.

SELF-SUSTAINING (CLASS 425)
The capacity to retain an imparted shape.

SELFOX (CLASS 438)
selective epitaxial layer field oxidation

SEM (CLASS 438)
scanning electron microscopy

SEMANTIC NETWORK (CLASS 707)
A directed or undirected network which represents the semantic relationships between concepts. The nodes of the graph represent concepts, and the links between nodes represent relationships between concepts. See also Concept-Relation-Concept Triples, Ontology and Taxonomy.

SEMI-STRUCTURED DATA (CLASS 707)
A collection of data which is formatted in a way that reflects the structural relationships between the elements of data. Sometimes the data is stored in a form that includes schema information within the data. Markup Languages, and in particular XML are examples of semi-structured data. See also Markup Language and Extensible Markup Language.

SEMICONDUCTOR (CLASS 257)
A material whose electrical resistivity is between that of insulators and conductors. The resistivity is commonly changed by light, heat, electric, or magnetic fields incident on the material. Current flow is achieved by transfer of positive holes as well as by movement of electrons.

SEMICONDUCTOR (CLASS 330)
A material having a specific resistance value of the order of that of germanium, silicon, selenium, etc.; or insulators whose specific resistance is reduced in value to the aforesaid range in operation, by alpha particle or electron bombardment or other means, so that the insulators operate broadly as semiconductors in an electrical circuit.

SEMICONDUCTOR (CLASS 338)
A body of solid material whose conductivity is considerably more than insulators, yet considerably less than metals.

SEMICONDUCTOR (CLASS 363)
A solid or liquid electronic conductor, with resistivity between that of metals and that of insulators in which the electrical charge carrier concentration increases with increasing temperature over some temperature range. Over most of the practical temperature range, the resistance has a negative temperature coefficient. Certain semiconductors possess two types of carriers, negative electrons and positive holes. The charge carriers are usually electrons, but there may be also some ionic conductivity.

SEMICONDUCTOR (CLASS 372)
An electronic conductor, with resistivity between that of metals and that of insulators, in which the electrical charge carrier concentration increases with increasing temperature over some temperature range. Over most of the practical temperature range, the resistance has a negative temperature coefficient. Certain semiconductors possess two types of carriers, negative electrons and positive holes. The charge carriers are usually electrons, but there may be also some ionic conductivity.

SEMICONDUCTOR (CLASS 438)
A. A generic term for (1) a substance or material whose electronic conductivity at ordinary temperature is intermediate between that of a metal and an insulator and whose conductivity is capable of being modified by the addition of a dopant or (2) an electronic device the main functioning parts are made from semiconductor materials. B. For the purposes of Class 438, a semiconductor material (1) must have resistivity between that of an insulator and a conductor and (2) be intended for use in a solid state device for at least one of the following purposes: (a) conducting or modifying an electrical current, (b) storing electrical energy for subsequent discharge,or (c) converting electromagnetic wave energy to electrical energy or electrical energy to electromagnetic energy. The resistivity is commonly changed by light, heat, or electric or magnetic fields incident on the material.

SEMICONDUCTOR ACTIVE ELEMENT (CLASS 331)
A solid state active element comprised of a solid material having a conductivity intermediate that of a good insulator and a good conductor.

SEMICONDUCTOR AMPLIFYING DEVICE (CLASS 330)
An amplifying device constructed of a semiconductor with suitable electrodes for the application of signal current, power supply energy, and for the derivation of output signal current.

SEMICONDUCTOR DEVICE (CLASS 117)
Used here to mean any article or structure comprised of semiconductor material, such as the optical waveguides of Class 385 or the electronic semiconductor devices of Class 438. The phrase is not determinative of proper classification; intended use frequently dictates proper classification.

SEMICONDUCTOR DEVICE (CLASS 257)
A device in which current conduction takes place within a semiconductor.

SEMICONDUCTOR JUNCTION (CLASS 117)
See JUNCTION, SEMICONDUCTOR.

SEMICONDUCTOR JUNCTION (CLASS 438)
The region of transition, which usually exhibits asymmetric conductivity, between two joined semiconductors of different electrical properties or of joined semiconductor and conductor (e.g., metal, etc.) and which is also referred to in the art as a barrier layer. Types of junctions include heterojunctions, Schottky barrier junctions, and PN junctions.

SEMICONDUCTOR LASER (CLASS 257)
A light emitting diode that uses stimulated emission of radiation to produce coherent light output.

SEMICONDUCTOR LASER (CLASS 372)
A light-emitting diode that uses stimulated emission to produce a coherent light output.

SEMIPERMEABLE (CLASS 210)
Permeable to only some of materials which may be in intimate association as in a solution. Usually applied to membrane, see MEMBRANE.

SEMIRIGID (CLASS 403)
Structure which is both (a) capable of resisting distortion (i.e., maintaining its previous formational shape or being self-supporting over all appreciable dimensions) caused by a force applied to it in any of its orientation which is of a magnitude equal to or less than the earth's gravitational force, and (b) incapable of resisting distortion caused by a force applied to it which is normally encountered in its working environment (e.g., ductile or resilient structure).

SEMIRIGID* (CLASS 024)
Structure which is both (a) capable of resisting distortion (i.e., maintaining its previous formational shape or being self supporting over all appreciable dimensions) caused by a force applied to it in any of its orientations which is of a magnitude equal to or less than the earth's gravitational force and (b) incapable of resisting distortion caused by a force applied to it which is normally encountered in its working environment (e.g., ductile or resilient* structure).

SEOT (CLASS 438)
self-aligned epitaxy over trench

SEPARABLE-FASTENER* (CLASS 024)
A securing mechanism including two, separate, dissociable, mating members having faces which directly or through a separate linking member (1) contact and interlock (i.e., the movement between the faces is restricted in the direction force is transmitted thereto by the structure-to-be-secured*) with each other when fastening either (a) spaced portions of the structure-to-be-secured* together, or (b) the structure-to-be-secured* to a supporting member having a principle function not associated with this class (e.g., door, wall) and (2) are intended to be always easily associated or dissociated from each other either by direct manual force or by actuation of an operator* attached to one of the members. Both of the mating members of this mechanism are intended to be attached to or formed from a section of either the structure-to-be-secured* or a supporting member therefor and neither of these members is ever structurally linked to the other by any structure other than the structure-to-be-secured* when their faces are not in their interlock position. In addition, both of the members when associated or dissociated do not exceed the elastic limit, or destroy any portion, or the material forming the faces.

SEPARATING (CLASS 460)
The operation which removes the threshed grain from the mixture of plant parts that comes from the threshing section. The separation usually occurs at three places: (a) concave grate, (b) finger grate beneath beater and (c) straw walker.

SEPARATING APPARATUS (CLASS 095)
The entire gas separating means, which consists of all of the apparatus parts related to gas separation and includes apparatus parts that are in addition to the separator.

SEPARATING APPARATUS (CLASS 096)
The entire gas separating means, which consists of all of the apparatus parts related to gas separation and includes apparatus parts that are in addition to the separator.

SEPARATING DIGGERS (CLASS 171)
Diggers as defined above which comb through the earth and which are provided with interstices through which the earth sifts while the desired objects rest on the digger and are thus moved through the earth and separated from said earth.

SEPARATING MEDIUM (MEDIA) (CLASS 095)
Liquid sorbent or means that effects the separation into constituent parts (e.g., deflector, filter, molecular sieve, sorber, etc.). (Media has been used in the singular and in the plural.)

SEPARATING MEDIUM (MEDIA) (CLASS 096)
Liquid sorbent or means that effects the separation into constituent parts (e.g., deflector, filter, molecular sieve, sorber, etc.). (Media has been used in the singular and in the plural.)

SEPARATOR (CLASS 095)
The portion of the apparatus that consists of a separating medium and the structure supporting, retaining, or substantially confining the separating medium.

SEPARATOR (CLASS 096)
The portion of the apparatus that consists of a separating medium and the structure supporting, retaining, or substantially confining the separating medium.

SEPARATOR (CLASS 271)
Refers to "means for setting apart or individualizing a sheet relative to a stack of sheets, and moving the individual sheet from the stack, particularly for the purpose of presenting toward a position at which the sheet will be operated on."

SEPARATOR (CLASS 429)
A material used to space or maintain a pair of electrodes out of contact. This includes material which function only to stop dendritic growth (treeing) between the electrodes.A cell or group of cells.

SEPARATOR (CLASS 494)
The combination of a BOWL plus such other devices or structure not clearly a part of the BOWL as are necessary to constitute apparatus of the kind capable of subdividing material by subjecting it to centrifugal force within the BOWL. The art terms, centrifuge and centrifugal, are sometimes used to mean approximately the same as SEPARATOR.

SEPARATOR ELEMENTS (CLASS 171)
Spaced portions of a separator which support objects larger than a certain size while smaller particles or objects pass through the spaces therebetween.

SEPARATORY DISTILLATION (CLASS 201)
A process of vaporizing at least a portion of a liquid mixture (distilland) and condensing at least a portion of the vapor to separate the liquid mixture into distinct parts. The substances recovered as products must have preexisted in the original mixture.

SEPARATORY DISTILLATION (CLASS 203)
A process of vaporizing at least a portion of a liquid mixture (distilland) and condensing at least a portion of the vapor to separate the liquid mixture into distinct parts. The substances recovered as products must have preexisted in the original mixture.

| A | B | C-CL | CM-CZ | D-DIM | DIM-DZ | E | F | G | H | I | J-K | L | M-MET | MET-MZ | N | O | P-PHA | PHE-PON | POR-PZ | Q | R | S-SEPA | SEPO-SMT | SN-STEM | STEP-SZ | T-TOG | TON-TZ | U | V | W | X-Z |

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