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This guideline provides an overview of the design process flow for printed electronics based devices, modules and units, and final products.The intent of IPC/JPCA-2291 is to establish a design process flow that will facilitate and improve the practice of printed electronics design. IPC/JPCA-2291 identifies documents such as standards that can be used to assist during the design process flow. 24...
Cleaning of stencils and misprinted PCBs has taken an increasingly important role in surface mount technology. Fine and ultra-fine pitch lands, together with other advanced packages, place new demands on stencil cleaning. Paste volume is a critical issue for fine, ultra-fine, chip-scale, BGA and flip-chip components. Insufficient solder due to clogging of stencil apertures is a primary cause of...
This document provides tests that record changes in surface insulation resistance (SIR) on a representative sample of a printed circuit assembly. It quantifies any deleterious effects that might arise from solder flux or other process residues left on external surfaces after soldering, which can cause unwanted electrochemical reactions that grossly affect reliability. It uses test vehicles that...
While there are a variety of industry test vehicles for the examination of materials compatibility, most available test boards leave something to be desired as there is often a dramatic difference in materials between such test boards and produced assemblies. A test vehicle was needed which could be used for both ion chromatography and SIR testing that would be more representative of mainstream...
IPC-2292 standard establishes specific requirements for the design of printed electronic applications and their forms of component mounting and interconnecting structures on flexible substrates. Flexible substrates, as pertaining to IPC-2292 standard, are materials or devices which have some amount of flexibility or bendability (not rigid) but are not considered to be stretchable (e.g., fabrics...
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IPC-7095E: Design and Assembly Process Implementation for Ball Grid Arrays (BGAs)
IPC-7530B: Guidelines for Temperature Profiling for Mass Soldering Processes (Reflow & Wave)
IPC-2294: Design Standard for Printed Electronics on Rigid Substrates
IPC-6904: Qualification and Performance Specifications for Printed Electronics on Rigid Substrates
IPC-4105: Specification for Metal Base Copper Clad laminates for Rigid Printed Boards