Stack

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Stack

A unit of volume equivalent to 108 cubic feet. It is used in the sale of firewood.
References in periodicals archive ?
Care must be taken with stackup design, trace designs on the flexible substrates, and 3D bending.
Basically, a MoM simulator includes two elements: the dielectric layer stackup and the physical layout of the traces.
Polar also leads the industry in tools for automated PCB layer stackup design and documentation.
Deciding the mechanical layout, the stackup, and the routing of tracks on different layers;
layer stackup, minimum feature size and spacing, number of PTHs--is not exceptionally pertinent to the assembler, but other items are.
This type of analysis is also valid to decide if special board technologies, buried capacitance for example, is worth the cost for your board stackup configuration.
Temperature rises in the other layers of the thermal stackup are created by differences in the packaging, not the semiconductor.
Integration also minimizes tolerance stackup, enabling designers to pull the most from their servos.
We are getting more precise parts because we have virtually eliminated tolerance stackup," he says.
In a typical stackup, the drill might bore through the graphite skin at 3000 rpm, slowing to 600 rpm when it detects the hard titanium below.
Here you can see the importance of close power/ground spacing in the stackup.
The stackup structure containing the number of power and ground planes determines the amount of heat the board needs to absorb in any given cycle to create a perfect thermal reflow.