703.909.7722

USPTO Terms of Art — SEPO to SMT

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 |

SEPOX (CLASS 438)
selective polysilicon oxidation

SER (CLASS 438)
soft error rate

SERIES MOTOR (CLASS 318)
A motor having at least one field producing winding and at least one armature winding, all of the field-producing windings which are connected to be energized being electrically connected in series-circuit relationship with all of the armature windings which are connected to be energized.

SERVER (CLASS 709)
A computer running administrative software that controls access to all or part of a network and its resources (such as disk drives and printers). A computer acting as a server makes resources available to computers acting as workstations on the network.

SERVER (CLASS 718)
A computer running administrative software that controls access to all or part of a network and its resources (such as disk drives and printers). A computer acting as a server makes resources available to computers acting as workstations on the network.

SERVER (CLASS 719)
A computer running administrative software that controls access to all or part of a network and its resources (such as disk drives and printers). A computer acting as a server makes resources available to computers acting as workstations on the network.

SERVER (CLASS 725)
In a network, a device or computer system that is dedicated to providing specific facilities to other devices attached to the network. Contrast: Client.

SET-TOP BOX (STB) (CLASS 725)
A device that converts a cable television signal to an input signal to the television set. In some cases, set-top boxes can be used to access the World Wide Web.

SETS (CLASS 425)
A group of shaping couples each of which generally comprises plural coacting means.

SETTABLE MATERIAL (CLASS 052)
A component which is applied or formed in a fluent condition but sets or hardens in the final product, e.g., concrete, cement or plaster.

SEVER (CLASS 072)
To forcibly part or separate a discrete portion from a body of material. See "Cut".

SEVER (CLASS 425)
To separate a portion from a body by cutting or breaking or perforating.

SFFT (CLASS 438)
superconducting flux flow transistor

SGT (CLASS 438)
surrounding gate transistor

SHAFT (CLASS 175)
A part of the boring means which comprises an elongate, relatively slender structure (e.g., rod, tube, casing, strand, cable, etc., or any combination thereof), which is connected to another part of the boring means for manipulating, supporting or driving said other part. (1) Actuating Shaft. A shaft connected to another part of the boring means for modifying or controlling said other part (e.g., cutter expansion shaft). (2) Shaft Section. One of the individual elements of a multipart shaft. (3) Tool Shaft. A shaft which is connected to the boring tool and extends above ground, or to another part of the boring means (e.g., to the drive or advance means. (4) Tool Drive Shaft. A tool shaft connecting the tool to the drive means, to transmit mechanical movement from the drive to the tool.

SHAFT (CLASS 415)
A member which supports or mounts the runner for unidirectional rotational or orbital movement, the member being itself supported in bearings for rotational motion and is connected to a work producing element when the runner is caused to rotate by working fluid impinging thereon or to a driving force so as to cause the runner to rotate and add energy to work fluid.

SHAFT (SEE SUSTAINER) (CLASS 052)
A member which has a limited closed periphery and which is greatly elongated relative to its length. It is generic to "sustainer" in that it may not have a load bearing function.

SHAFT FURNACE (CLASS 075)
A vertical approximately cylindrical apparatus in which material to be treated is passed downwardly through the shaft while it is heated in any manner. In this class the material treated in the furnace is usually either reduced to free metal or melted or both.

SHAFT* (CLASS 187)
A long, narrow, in situ passageway within a structure (e.g., building, ship, mine) which defines the fixed path between the vertically spaced load entrance and exit levels traveled by the load-underlying support surface of an elevator.

SHAPING (CLASS 029)
The physical act of or means for permanently altering the form, configuration, dimensions, proportions, or contour of a part or stock, either with or without the removal of material. This term includes deforming, compacting, densifying, slitting, machining, and briquetting.

SHEARING (CLASS 083)
Cutting effected by the relative motion of two cutting tools having edges which are initially on opposite sides of the work with the cutting taking place by one tool moving towards the other tool and the edge on the moving tool moving past and in close and overlapping relationship to the edge of the other tool.

SHEET (CLASS 112)
A rectangular portion of material of finite length and width which are each greater than its thickness. A piece of material having a peripheral shape other than rectangular will be considered a panel.

SHEET (CLASS 281)
A body having two parallel surfaces both dimensions of which are large in comparison with the third dimension of the body.

SHEET (CLASS 402)
A three dimensional body having all opposed surfaces thereof disposed in substantially parallel relation each nonthickness surface (See Figure 1 below) of which has a greater surface area than the area of any one surface of the two remaining pairs of opposed surfaces.

(1) Note. A composite sheet including means such as an apertured or notched tab or strip attached thereto for cooperation with a sheet retention means is considered the equivalent of a one piece sheet likewise notched or apertured. Note particularly subclass 500 for a device of this class employed to releasably retain such composite sheet.
(2) Note. A sheet-like body (e.g., "divider", "follower", "sheet lifter", etc.) serving as a component of a device (e.g., container, depository, etc.) will not be considered a sheet as defined above. Such body is a component of the device rather than a sheet intended for temporary storage on or within the device.

SHEET (CLASS 428)
A portion of web* material of finite length, whose width is greater than its thickness, and which may be of any perimetric shape (e.g., triangle, circle, etc.). (Structural)

SHEET (CLASS 462)
A body* having two parallel surfaces, both dimensions of which are very large in comparison with the third dimension (thickness) of the body.

SHEET RETAINER (CLASS 402)
an elongated element which passes through the thickness dimension (See Figure 1 of the Glossary) of a sheet* or a group of sheets to secure the same and cooperates with structure (e.g., hole, peripheral incised opening, etc.) of the sheet(s) to releasably retain such sheet(s) and may further cooperate with (1) another elongated element or (2) a keeper*, to so retain such sheet.

SHEET(*) (CLASS 412)
A body, usually paper, having two parallel surfaces both dimensions of which are large in comparison with the third dimension of the body. Sheets can be printed on or blank.

SHELL (CLASS 099)
Shell includes those outer coverings of articles of food which fracture upon impact, as distinguished from those outer coverings that yield upon impact. Prime example of foods having fractile and/or fracturable outer coverings are fowl eggs and nuts.

SHELL MOLDING (CLASS 164)
A casting process utilizing a thin shell composed of resin-bonded sand for the cope and drag section of the mold.

SHELLING (CLASS 460)
The operation in which the kernels of corn are removed or separated from the ear of corn.

SHIELD (CLASS 376)
For the purpose of this class, generally a mass or armor of concrete, lead or other heavy material or other neutron absorbing material erected around a reactor or other radioactive source to shield operating staff by absorbing and reducing dangerous radiations (especially neutrons and gamma rays) to permissible levels. See also Neutron Absorbing Material.

SHIELDS (CLASS 313)
Structures used in lamps and discharge devices to modify the electrical characteristics thereof, or structures which are used to protect the lamp or discharge device from external influences, or structures which are used to protect parts of the device from influences, such as electron bombardment, originating in another part of the device, and other structures used for protective purposes. Shields do not include mere electrodes even though the electrode is defined as being a shielding electrode. Where an electrode of a discharge device is provided with shielding structure in addition to the structure provided for influencing the electric space discharge, such additional structure is considered to be shielding structure. Examples of such additional shielding are where an indirectly heated cathode is provided with a flange for shielding the discharge space from the influence of the cathode heater current, or where an anode, grid, or lead wire is provided with shielding means to shield the lead-in wires from the effects of electrostatic fields. Metal or conductive envelopes for discharge devices are not considered to be shields where the envelope is designed to function as an electrode of the discharge device, such as an anode. Where the metal or conductive envelope is disclosed as being provided for shielding purposes and not an electrode, the envelope is considered to be a shield.

SHIFT (n.) (CLASS 234)
A change in the relative position of data, indicia, etc., incidental to its transfer from one record or medium to another (e.g., data in columns 1-5 of a pattern card may be caused to appear in columns 16-19 and 21 of a newly made card).

SHIM (CLASS 376)
See Control Element.

SHOCK EXCITED RESONATOR OSCILLATOR (CLASS 331)
An oscillator of the nonself-sustaining type wherein the driving system applies an electrical impulse to the frequency determining element (i.e., resonator), which element is then permitted to oscillate freely at its natural frequency.

SHUTDOWN (CLASS 431)
The term is used in this class to indicate that a combustion device has been stopped and that it cannot be made to operate except by manual intervention.

SHUTTER (CLASS 352)
An element of a motion picture device which interrupts the light to provide the sequential recording or presentation of the motion picture image.

SHUTTER (CLASS 396)
A shutter is a device for blocking or unblocking the passage of light for controlling the exposure time.

SI (CLASS 438)
semi-insulating

Si (CLASS 438)
silicon

SICOS (CLASS 438)
sidewall base contact structure

SICP (CLASS 523)
Specified intermediate condensation product (consistent with Class 520 Glossary)

SIDE WALL (CLASS 092)
The side wall of the piston consists of that portion which is opposite the wall of the cylinder which slidably engages the piston.

SIEVE (CLASS 460)
A meshed or perforated device which is usually located under the chaffer on a combine that separates larger particles from the grain or seed.

SIGNAL (CLASS 330)
A variable electrical current or voltage having characteristic variations in time, which characteristic variations are transmitted through an electrical network from a source in which the signal originates to a load where the signal is utilized.

SIGNAL (CLASS 342)
Control impulse, wave energy, intelligence or message, such as sing, or a noise indication agreed upon, under stood and used to convey information at a distance.

SIGNAL (CLASS 343)
Control impulse, wave energy, intelligence or message conveyed, such as a sign, noise indication agreed upon, understood and used to convey intelligence at a distance.

SIGNAL ELECTRODE OR SIGNAL GRID (CLASS 330)
The electrode to which the signal is applied; in the case where such electrode is a grid electrode, the signal grid.

SIGNAL FEEDBACK (CLASS 330)
The application of a signal derived from an output electrode, to an input electrode of an amplifier or a prior stage of an amplifier. The input and output electrodes of the feedback may be the same or a common electrode as where vacuum tube space current flows through an unbypassed cathode impedance to change the potential on the cathode with respect to the control grid in accordance with the signal output. (For the distinction between signal feedback and bias control see the definition thereof, above).

SIGNAL FEEDBACK PATH (CLASS 330)
Circuit means to apply a portion of the electrical signal output of an amplifier to the input of the amplifier involving a shared impedance for the input and output circuits.

SIGNALING MEANS, ELECTRIC AND NONELECTRIC (CLASS 250)
Detectors that produce in response to incident radiant energy either an increase or decrease in electric potential or current flow (Electric) or some other perceivable change (Nonelectric). The nonelectric change may be immediately perceived or may require development to be perceived, e.g., photographic changes.

SIGNATURE(*) (CLASS 412)
A book(*) section, composed of a plurality of sheets having a common fold; thus, the term signature is usually used synonymously in this class with sheets(*) and quires(*) to indicate printed or unprinted matter which is being fastened together at the edges to form a bound book(*).

SILICON BILATERAL SWITCH (SBS) (CLASS 257)
A silicon controlled switch that can conduct current in both directions.

SILICON CONTROLLED RECTIFIER (SCR) (CLASS 257)
A four layer pnpn device that, when in a normal state, blocks applied voltage in either direction. Application of a correct voltage to a gate terminal permits the device to conduct in a forward direction.

SILICON CONTROLLED SWITCH (SCS) (CLASS 257)
A four layer pnpn semiconductor switching device that can be triggered into conduction by applying either positive or negative pulses.

SILICON ON INSULATOR (SOI) (CLASS 257)
A semiconductor structure using an insulating substrate, instead of silicon as a substrate material, with an overlying active layer of single crystal silicon containing active solid-state devices. The substrate may typically be of the form of an insulating layer which is itself formed on a single crystal substrate.

SILICON ON INSULATOR (SOI) (CLASS 438)
A semiconductor structure using an insulating substrate, instead of silicon as a substrate material, with an overlying active layer of single crystal silicon containing active solid state devices. The substrate may typically be of the form of an insulating layer which is itself formed on a single crystal substrate.

SILICON ON SAPPHIRE (S0S) CMOS (CLASS 257)
A complementary metal oxide semiconductor device (e.g., a transistor) wherein single crystal silicon is grown on a passive insulating base of sapphire (single crystal alpha phase aluminum oxide) with complementary MOS transistors formed in the silicon in one or more island portions.

SILICON ON SAPPHIRE (SOS) CMOS (CLASS 438)
A complementary metal oxide semiconductor device (e.g., a transistor) wherein single crystal silicon is grown on a passive insulating base of sapphire (single crystal alpha phase aluminum oxide) with complementary MOS transistors formed in the silicon in one or more island portions.

SILICON TRANSISTOR (CLASS 257)
A transistor which uses silicon as the semiconductor material.

SILICON-GATE FET (CLASS 257)
A field effect transistor which has a gate electrode made of silicon.

SILO (CLASS 438)
sealed interface local oxidation

SIMILARITY (CLASS 704)
A statistical measurement which is inversely proportional to distance. For example, if two patterns are compared yielding a small distance, then the patterns would exhibit a large (or high degree of) similarity.

SIMOX (CLASS 438)
separation by implanted oxygen

SIMPLE MOVEMENT (CLASS 269)
The following, only, are considered to be simple movements of a work holder: (a) A movement in which all of the work holder swings about a fixed axis except for the part lying on the axis, i.e., rotational movement. (b) A movement in which each point on the work holder moves in a single rectilinear path; i.e., rectilinear movement.

SIMS (CLASS 438)
secondary ion mass spectrometry

SINGLE CRYSTAL (CLASS 164)
A metallic mass that consists of a single crystallographic grain instead of the usual polycrystalline material.

SINGLE CRYSTAL (CLASS 257)
A body of material having atoms regularly located at periodic lattice sites throughout.

SINGLE CRYSTAL (CLASS 438)
A body of material having atoms regularly located at periodic lattice sites throughout.

SINGLE-CRYSTAL (CLASS 117)
Solid phase material characterized by an absence of crystal boundaries and by a uniform atomic structural arrangement. However, in this class, the term includes material composed of twins*, superlattice*, epitaxy*, oriented-crystals*, or enlarged crystals (when the enlarged crystals are used as though they are a single-crystal or when the enlarged crystals are used individually as single-crystals).

SINGLE-IN-LINE PACKAGE (CLASS 257)
A plug-in semiconductor device package with one row of pins with specified spacings therebetween.

SINKER (CLASS 257)
A buried electrically conductive, low resistance path in an integrated circuit which connects an electrical contact to a conductive region buried in the integrated circuit. It may be made up of a heavily doped impurity region.

SINKER (CLASS 438)
A buried electrically conductive, low resistance path in an integrated circuit which connects an electrical contact to a conductive region buried in the integrated circuit. It may be made up of a heavily doped impurity region.

SINTERING (CLASS 065)
The coalescence of particles into one solid mass through heating, generally with melting limited to a surface layer only of each particle.

SINTERING (CLASS 419)
The term sintering includes the union of finely divided material or powder by the action of heat with or without pressure. The heat must result from a positive application of heat at some point in the process. Heat resulting from the application of pressure alone is not considered to be a positive application of heat in these subclasses. Some, but not all, of the ingredients may melt. A chemical reaction such as reduction may occur during sintering.

SINTERING (CLASS 425)
The coalescence of parts into one solid mass through heating, generally with melting limited to a surface layer only of each particle.

SIP (CLASS 438)
single-in-line package

SIPOS (CLASS 438)
semi-insulating polycrystalline oxygen-doped silicon

SIS (CLASS 257)
An MIS structure (Metal-Insulator-Semiconductor) in which the "metal" layer is made of semiconductor material, typically polycrystalline silicon.

SIT (CLASS 438)
(a)static induct. thyristor or (b)static induct. trans.

SKIN (CLASS 099)
That portion of the outer periphery of an article of food that is dissimilar with respect to the inner portion of the food in at least one (and usually several) of the following respects: color, consistency, density, firmness, flexibility, hardness, texture ("rough" vs. "slick" to the touch), and toughness (resistance or lack of resistance to "tearing").

SKIP (n.) (CLASS 234)
A suspension of cutting and/or pattern-sensing operations, accompanied by a predetermined amount of feed* of a workpiece or pattern, for the purpose of omitting operations on a portion thereof.

SLAB (CLASS 144)
A portion of a log* comprising a longitudinally extending section cut from the side of a log*, similar to lumber*, but with the bark* side uncut.

SLAG (CLASS 065)
See Subclass References to the Current Class, above, for a subclass reference to the term "slag."

SLAG (CLASS 164)
The nonmetallic product of refining metal ores which results from the reaction of the flux with gangue.

SLAG (CLASS 373)
A more, or less completely fused and vitrified material separated during the reduction of a metal from its ore which generally floats on top of the molten metal during the heat reduction processes found in this class.

SLIDE (CLASS 353)
A piece of transparent film having a single image thereon, and also having a frame or two glass plates to help keep the piece of film from bending.

SLIDE-STILE (CLASS 049)
An elongated member extending along the edge of a closure in opposition to a portal frame member, e.g., jamb, and connectable to the closure for sliding therewith.

SLIDING MOVEMENT OF CLOSURE (CLASS 049)
Rectilinear motion which is constrained by stationary guides on the supporting member(s).

SLINGER (CLASS 065)
See Subclass References to the Current Class, above, for a subclass reference to the term "slinger."

SLIP (CLASS 701)
Loss of adhesion or friction between an object and a surface. An example in a vehicle would be the reduction of friction between a wheel and a road surface (e.g., wheel slippage).

SLITTING (CLASS 029)
The physical act of or means for shaping solely by incising or severing the part or stock to form a partial separation along a plane or surface through the part or stock. When this separation is done by a true shearing operation, there is no material removed.

SLITTING (CLASS 234)
The cutting of a narrow incision by a single straight or curved cutting edge, the incision extending through the thickness of a workpiece, being of finite length, and having distinct ends (i.e., not a punched hole).

SLM (CLASS 438)
spatial light modulator

SLS (CLASS 438)
strained layer superlattice

SLT (CLASS 438)
solid logic technology

SLUDGE (CLASS 210)
Concentrate of settled colloidal suspension with a mushy or mud texture, a gel with up to more than 90 percent usually water) but quite viscous. It may contain indiscriminate solids as grits, fiber, wood chip, and emulsions. While still wet, treatment is proper for this class, but the same material when completely dry may be referred to as sludge. See ACTIVATED SLUDGE.

SLUDGE (CLASS 588)
Residue (usually viscous) from an industrial, home, or agricultural process which may contain a harmful chemical substance. Examples of harmful chemical substances are: heavy metals, sulfur compounds, phosphorus compounds, nitrogen compounds, and halogenated compounds any of which may be organic.

SLURRY (CLASS 376)
See Homogeneous Reactor.

SMOOTHING (CLASS 065)
Removing surface irregularities or imperfections.

SMT (CLASS 438)
surface mount technology

| 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 |

back to top