guard ring


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guard ring

[′gärd ‚riŋ]
(electricity)
A ring-shaped auxiliary electrode surrounding one of the plates of a parallel-plate capacitor to reduce edge effects.
(electronics)
A ring-shaped auxiliary electrode used in an electron tube or other device to modify the electric field or reduce insulator leakage; in a counter tube or ionization chamber a guard ring may also serve to define the sensitive volume.
(thermodynamics)
A device used in heat flow experiments to ensure an even distribution of heat, consisting of a ring that surrounds the specimen and is made of a similar material.
References in periodicals archive ?
Die View, Dimensions & Marking - Guard Ring, Cross-Section - Substrate and Epitaxy Layers - Backside - Diode Characteristics
Now, density-aware device array placement, guard ring creation and dummy insertion are all handled through a simple graphical user interface (GUI).
GA08JT17-247 Physical Analysis Package Views & Dimensions Die View, Dimensions & Marking Gate Delayering Cross-Section Guard Ring Metal Layers Oxide Layers Gate Cross-Section Source Cross-Section Substrate and Epitaxy Layers SJT BJT Characteristics
User can analyze the impact of power and substrate noise coupling to help assess the effectiveness of various guard ring structures.
Tenders are invited for Portable microprocessor based gas analyser along with sensor (high sensitivity, guard ring, ceramic valve sheet and protection cap) and internal battery power.
Enhancements have been added for automatic guard ring generation by using objects, wires, polygons, or boxes to designate the path of the ring.
Limited Tenders are invited for 1)Supporting Arm Qty: 1 No 2)Casting For Spherical Socket Qty: 2 No 3)Casting For Spherical Socket Qty: 4 No 4)Casting For Spherical Socket Qty: 2 No 5)Supporting Arm Qty: 1 No 6)F/M Oil Guard Ring Qty: 1 No 7)F/M Oil Gaurd Ring Qty: 1 No 8)F/M Oil Gaurd Ring Qty: 1 No 9)F/M Oil Guard Ring(Front) Qty: 1 No 10)F/M Oil Guard Ring (Rear) Qty: 1 No
Automatic guard ring generation, automatic via placement during manual routing, and via array generation allowing significantly faster analog layout.
Limited Tenders are invited for 1)F/M Oil Guard Ring(Front) Qty: 1 No 2)F/M Oil Guard Ring (Rear) Qty: 1 No 8)Null Qty: Null Null
Limited Tenders are invited for 1)F/M Oil Guard Ring Qty: 1 No 2)F/M Oil Gaurd Ring Qty: 1 No 3)F/M Oil Gaurd Ring Qty: 1 No 4)F/M Oil Guard Ring(Front) Qty: 1 No 5)F/M Oil Guard Ring (Rear) Qty: 2 No 6)F/M Oil Guard Ring(Rear) Qty: 1 No 8)Null Qty: Null Null
A layout utility is also provided to support global net connection, seal ring and guard ring.
The UPS520-40 series offers an integral guard ring protection, a low forward voltage drop of 0.