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1. A place where two or more highways, railroad lines, or rivers join together.
2. A connection between electrical wires or cables or between sections of a transmission line.
3. A layer of metal separating two metals with different properties and serving as a contact between them; especially, in a thermocouple.
4. A point in a semiconductor device at which regions with different electrical properties come into contact with each other.
5. A place or point where two or more things are joined; such as, a seam or joint.
(JUNGK shuhn) (noun
An intersection or meeting of roads or railways: The town was prosperous when it was a railroad junction.
(JUNGK chuhr) (noun
A point of time made critical by a combination of circumstances: At this juncture, George must make a final decision regarding his future course.
When Benjamin and his family were traveling across the country by car, they came to a major highway junction. They had to decide if at this juncture in their trip, they should go south or turn east.
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A region of transition between semiconductor layers; such as, a p/n junction, which goes from a region that has a high concentration of acceptors (p-type) to one that has a high concentration of donors (n-type).
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The area of immediate contact between two layers (positive and negative) of a photovoltaic cell.
The junction lies at the center of the cell barrier or depletion zone.
A photovoltaic (PV) generator junction box is an enclosure on the module where PV strings are electrically connected and where protection devices can be located, if necessary.
A semiconductor device with a junction and a built-in potential that passes current better in one direction than the other. All solar cells are junction diodes.
vertical multijunction (VMJ) cell; multiple junction cell
A compound cell made of different semiconductor materials in layers, one above the other.
Sunlight entering the top passes through successive cell barriers, each of which converts a separate portion of the spectrum into electricity, thus achieving greater total conversion efficiency of the incident light.