![]() It also exist an IPC Guidline with the minimum spacing requirements. Ask your print manufacturer or assembler for the minimum component spacing which you have to obtain. These limitations are defined by the type of soldering or placement process. But you have some minimal spacing between components to respect during the placement. Author/Date: Marco Waller / Update/Date: Pascal Willems / Table of Contents 1 Introduction Library Settings before using the DFA Functionality How to add a DFA Boundary How to categories several symbol automatically Manage the Package to Package distances Load the Symbols to the DFA Spreadsheet Add symbols to classes in the Spreadsheet Editor Define the distance between the Symbols Use of the DFA Functionality during component placement Additional settings / FAQ Controlling the resistance of the spacing bubble The DFA DRC s are not visible Not seeing DFA circles? Which edge is Package Side and End? Read-Only Version Additional Information.12 DFA von 12ΔΆ 1 Introduction Miniaturisation is a leading trend in today s PCB requirements. 1 Title: Product: Summary: DFA ((Dynamic) Design For Assembly) Allegro PCB Designer This describes how to use the DFA functionality and the different settings.
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