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Four-PCB panel. Depaneling or depanelization is a process step in high-volume electronics assembly production. In order to increase the throughput of printed circuit board (PCB) manufacturing and surface mount (SMT) lines, PCBs are often arranged in a process called panelization so that they consist of many smaller individual PCBs that will be used in the final product.
Trimmer potentiometers or "trimpots" A trimmer, or preset, is a miniature adjustable electrical component.It is meant to be set correctly when installed in some device, and never seen or adjusted by the device's user.
Laser trim marks are visible in the grey resistive material. One of the most common applications uses a laser to burn away small portions of resistors , raising their resistance value. The burning operation can be conducted while the circuit is being tested by automatic test equipment , leading to optimum final values for the resistor(s) in the ...
The cut made in lancing is not a closed cut, like in perforation even though a similar machine is used, but a side is left connected to be bent sharply or in more of a rounded manner. [citation needed] Lancing can be used to make partial contours and free up material for other operations further down the production line.
A milled printed circuit board. Printed circuit board milling (also: isolation milling) is the milling process used for removing areas of copper from a sheet of printed circuit board (PCB) material to recreate the pads, signal traces and structures according to patterns from a digital circuit board plan known as a layout file. [1]
Wood wool lightweight board (surface structure) Mineral bonded wood wool boards (WW boards) are building boards made of wood wool fibres, water and the binding agents cement, caustic magnesia and gypsum. Mineral bound wood wool boards are used in a wide range of applications, e.g., thermal insulation, acoustic insulation, indoor decoration, etc.
A structural insulated panel, or structural insulating panel, (SIP), is a form of sandwich panel used as a building material in the construction industry. SIP is a sandwich structured composite , consisting of an insulating layer of rigid core sandwiched between two layers of structural board.
When boards are cut from a log, they are usually rip cut along the length (axis) of the log. This can be done in three ways: plain-sawing (most common, also known as flat-sawn, bastard-sawn, through and through, and tangent-sawn), quarter-sawing (less common), or rift sawing (rare).