hole model

hole model

(electronics)
A model of semiconductor behaviour in which donors contribute a positive charge equal in magnitude to the charge of an electron, and acceptors contribute space for such a charge within the crystal lattice. Honored by history well before electrons were discovered and described, much of electronics, especially at the engineering level, continues to consider current as flowing from positive to negative.
References in periodicals archive ?
The Jackson Hole model was developed by a loose confederation of health care policy experts, provider, purchasers and insurers led by Dr.
English noted that, in the Jackson Hole model, large employers would continue to purchase insurance for their employees, while small businesses and individuals would buy insurance from health insurance purchasing cooperatives (HIPCs).
Some theorists suggested reviving the black hole model in the mid-1980s as improved ground-based, visible-light observations (though still lacking full resolution of the core) continued to indicate an intense spike of light coming from M15's center.
Not everyone buys the black hole model of a quark-gluon plasma.
However, Russell Humphreys of Sandia National Laboratories formulated the White Hole Model in 1995 for the origin of the universe based on two entirely different assumptions: The universe has a center somewhere, and it has finite boundaries.
Woosley has championed the supernova-black hole model to explain gamma-ray bursts.
176 Hole Model (2005) RESOURCE Cutoff, CATEGORY %Cu Mt %Cu %Mo Au, g/t Measured & Indicated 0.
The second group comprises three principal model approaches: cell, lattice, and Simha-Somcynsky hole models.