layer board

lear board, layer board

A board which is fixed across the rafters to provide a bearing surface for a roof gutter lining.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
"A peek under the hood revealed design hallmarks reminiscent of both the iPhone 8 (rectangular battery, single layer board) and X (square-ish logic board, Face ID), making this the spiritual "iPhone 9", the platform said.
"We're proud to partner with the company to replicate their success in other markets throughout the country, as well as help them grow their direct-to-consumer business." Provenance also joins the Marine Layer Board of Directors.
While, as the content of Co2+ in the Co/Mg/Al- LDHs systems increasing, a certain degree of distortion may occur in layer board structure, so the surface adsorption free energy increased.
The design, which is created by CAT, consists of a 14 layer board with blind / buried vias, microvias, 2 mil trace / space and 14:1 aspect ratio holes.
The aluminum can be on one side of the laminate or sandwiched in between two polyimide layers (single copper layer board, double copper layer board).
For a four (or more) layer board, common practice is to designate one of the internal layers for ground, and one for power (FIGURE 2).
As an example, a single layer board with several 2512 size resistors in reasonably close proximity can generate a tremendous amount of heat -- well above the 105[degrees]C level that most manufacturers suggest.
Stencil definition and design accuracy take on even greater significance when a high-count layer board is involved.