Guide to STN Patent Databases – Basic Version - Paton - TU Ilmenau
Guide to STN Patent Databases – Basic Version - Paton - TU Ilmenau
Guide to STN Patent Databases – Basic Version - Paton - TU Ilmenau
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Types of search<br />
Quantity Search field Unit<br />
Amount of Substance /AOS mol (mole)<br />
Area (Surface Area) /SAR m2 (square metre)<br />
Bit Rate /BIR Bit<br />
Byte Rate /BYR Byte<br />
Molar Concentration (Molarity) /CMOL mol/l (mol per litre)<br />
Conductance (Electrical Conductance) /CON S (Siemens)<br />
Degree /DEG Degree<br />
Density (Mass Density) /DEN kg/m3 (kilogram per cubic metre)<br />
Viscosity, Dynamic /DV Pa s (Pascal second)<br />
Electrical Impedance/Resistance /RES Ohm<br />
Energy /ENE J (Joule)<br />
Force /FOR N (New<strong>to</strong>n)<br />
Frequency /FRE Hz (Hertz)<br />
Viscosity, Kinematic /KV m2/s (square metre per second)<br />
Luminous Emittance/Illuminance /LUME Lux<br />
Luminous Flux (Luminous Power) /LUMF Lumen<br />
Luminous Intensity /LUMI cd (candela)<br />
Mass /M kg (kilogram)<br />
Magnetic Field Strength (Magnetic Flux Density) /MFS T (Tesla)<br />
Mass Flow (Mass Transfer) /MFL kg/s (kilogram per second)<br />
Molecular Weight (Molar Mass) /MW g/mol (gram per mol)<br />
Percent (Proportionality) /PER % (percent)<br />
pH Value /PHV pH<br />
Power /POW W (Watt)<br />
Pressure /PRES, /P Pa (Pascal)<br />
Radioactivity /RAD Bq (Becquerel)<br />
Spring Constant /SCO N/m (New<strong>to</strong>n per metre)<br />
Size /SIZ m (metre)<br />
Surface Tension /ST J/m2 (Joule per square metre)<br />
Temperature /TEMP, /T K (kelvin)<br />
Time /TIM s (second)<br />
Velocity /VEL, /V m/s (metre per second)<br />
Velocity, Angular /VELA rpm (rotations per minute)<br />
Volume /VOL m3 (cubic metre)<br />
Voltage /VOLT V (Volt)<br />
Detailed information on the searchable quantities can be displayed by entering EXPAND/PHP or HELP NPS.<br />
19.3.3 Searching<br />
The data received can be searched in the context of the original text, i. e. they can be linked <strong>to</strong> a keyword search<br />
using proximity opera<strong>to</strong>rs in order <strong>to</strong> obtain a more relevant search result. Exact numbers as well as closed or open<br />
intervals can be searched. By using SET TOLERANCE an absolute or relative <strong>to</strong>lerance range can be defined for each<br />
quantity, this can even be made permanent with the PERMANENT option:<br />
=> SET TOLERANCE<br />
ENTER FIELD CODES AND TOLERANCES OR (END):TEMP=10%<br />
ENTER FIELD CODES AND TOLERANCES OR (END):END<br />
The example below shows a search for a length in the nanometer range:<br />
=> FIL PCTFULL<br />
Linking the numeric property <strong>to</strong> keywords improves the<br />
relevance of the search result.<br />
=> S SIZE (3A) SIZ
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