AOpen AOI-702U Especificações descarregar pdf (Página 11)

FA Inspector (AOI) Scanner

11 | Page

FocalSpot, Inc. | www.FocalSpot.com

Inspection Drawer Clearance and Standoff Shelf Calibrations

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The standoff blocks and table grid mat are made from ESD compliant materials; specifically Delrin

(polyoxymethylene plastic) which is rated ESD electrostatic dissipative safe. In addition, the FA cabinet, frame

and drawer assemblies are grounded via the power cable ground wires.

Best Practice: Board handling (outside of the machine) during load and unload operations, should

always be performed using proper ESD precautions and handling procedures (i.e., ESD wrist straps and

sole grounders). See ESD Association (ESDA) for guidance: http://www.esda.org/aboutesd.html

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1. Open the inspection table drawer at the front of the FA Inspector cabinet.

2. Judging from the size of the PCB determine the appropriate orientation and table location for the board

based on size and shape.

Best Practice: The imaging scan follows a horizontal path along the center of the system. Therefore,

it is always a best practice to position the board in the center of the table (with respect to the size of the

board and with the longest side horizontal to reduce parallax error

3. Accurately position the 90° Alignment Guide using the Table Grid as reference. Place two (2) Stand-Off

Posts to form a 90° corner for holding the PCB squarely aligned with the Table Grid.

The apparent shift of an objects position against a background caused by acute viewing angles.

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AOpen AOI-702U Especificações Página 11