IPC-2221C is the foundation design standard for all documents in the IPC-2220 series. It establishes the generic requirements for the design of printed boards and other forms of component mounting or interconnecting structures, whether single-sided, double-sided or multilayer. Among the many updates to Revision C are new guidance and requirements on material and copper foil selection...
While there are a variety of industry test vehicles for the examination of material compatibility, the IPC-B-52 test board was created to meet the needs for testing both ion chromatograph and surface insulation resistance (SIR) which would be more representative of the manufacturing materials and processes. IPC-9203A standard addresses the IPC-B-52 test vehicle, which can be used to evaluate a...
The IPC-4202C standard covers the requirements for flexible base materials, herein referred to as laminates, prepregs or films, to be used primarily for flexible printed boards for electrical and electronic circuits
IPC-4103B standard covers the requirements for clad and unclad plastic laminate and bonding layer materials to be used for the fabrication of printed boards for microstrip, stripline and high speed digital electrical and electronic circuits. In addition to better definitions of inclusions and how to properly classify them; redefine "substrates" as, "fabricated sheets"; and a more proper definition...
The IPC-CC-830C standard establishes qualification and conformance requirements for electrical insulating compounds (conformal coatings). It has been designed and constructed with the intent of obtaining maximum confidence in the materials with minimum test redundancy. The IPC-CC-830C standard covers: • The qualification and qualification retention of the conformal coating material (Table 3-1...
IPC/JEDEC J-STD-035A test method defines the procedures for performing acoustic microscopy on nonhermetic encapsulated electronic devices. IPC/JEDEC J-STD-035A method provides users with an acoustic microscopy process flow for detecting anomalies (delaminations, cracks, mold compound voids, etc.) nondestructively in encapsulated electronic devices while achieving reproducibility
The IPC-7525C standard provides guidance for the design and fabrication of stencils for solder paste and surface-mount adhesive with much of the content based on the experience of stencil designers, fabricators, and users.
Controlled impedance is the maintenance of some specified tolerance in the characteristic impedance of an interconnect line (transmission line) that is used to connect different devices on a circuit. Controlled impedance is often a design consideration for high-speed digital or high-frequency analog circuits. This guide is intended to be used by circuit designers, packaging engineers, printed...
IPC-2222B used in conjunction with IPC-2221, establishes the specific requirements for the design of rigid organic printed boards and other forms of component mounting and interconnecting structures. The IPC-2222B standard applies to single-sided, double-sided, or multi-layered boards. Key concepts in IPC-2222B are rigid laminate properties, design requirements for printed board assembly and...
This document includes lead free, no-clean, and environmental friendly chemistries. This is a collection of information on electronic board and assembly cleaning in a single location. This major revision explains the relationship between materials, processes, and contaminants in fabrication and assembly operations. It also addresses cleanliness assessment and process control in relation to...
IPC-2231A provides guidelines for establishing a best practice methodology for use in developing a formal DFX (Design for Manufacturing, Fabrication, Assembly, Testability, Cost, Reliability, Environment, Reuse) process for layout of printed boards.
IPC-9252 defines levels of appropriate testing and assists in the selection of the test analyzer, test parameters, test data and fixturing required to perform electrical test(s) on unpopulated printed boards and innerlayers. Revision B provides new requirements for resistive and indirect continuity and isolating testing, test record marking and traceability and an updated sample electrical test...
This document is the product of the IPC Electrochemical Migration (ECM) Task Group. It was drafted to provide guidance regarding implementation of the User Guide for the IPC-TM-650, Method 2.6.25, Conductive Anodic Filament (CAF) Resistance and Other Internal Electrochemical Migration Testing to evaluate the effects of mechanical stress, laminate material fracturing, ionic contamination, moisture...
The IPC-6017A standard defines the electrical, mechanical, and environmental requirements specific to embedded passive and active circuitry in printed boards. These requirements are in addition to the applicable requirements of other performance specification(s) (e.g., J-STD-001).
This standard provides and defines key characteristics and test methods for procuring printed electronics substrates. Includes six materials specification sheets.
IPC-4204B establishes the classification system, the qualification and quality performance requirements for flexible metal-clad dielectric materials to be used for the fabrication of flexible printed boards. It encompasses 12 specification sheets that result from the combinations of various copper foil claddings; a polymer base dielectric selected from polyesters, polyimides, liquid crystal...
IPC-4203B establishes the classification system, the qualification and quality conformance requirements for dielectric films coated with an adhesive on one or both sides, which are to be used as cover material and/or bondply for flexible printed circuitry, as well as supported or unsupported adhesive films to be used in the fabrication of flexible printed circuitry. IPC-4203B does not cover non...
The IPC-9701B standard establishes a thermal cycling test method to characterize the fatigue lifetimes of surface mount solder attachments of electronic assemblies. The surface mount devices may be solder-attached to rigid, flexible or rigid-flex printed boards. The characterization results can be used to predict the field lifetime of solder attachments for the use environments and conditions of...
IPC-2226A, Sectional Design Standards for High Density Interconnect (HDI) Printed Boards is used in conjunction with IPC-2221B. The IPC-2226A standard establishes requirements and considerations for the design of high density interconnect (HDI) printed boards and microvia technology. Revision A constitutes a substantial update to the document, with an all new color key for HDI constructions, new...
Developed by the OEM council of the IPC, the MQP sets the standard for assessing PWB manufacturer capabilities and allows PCB manufacturers to more easily satisfy customer requirements. This document eases auditing processes and reduces the frequency of audits, thereby decreasing paperwork and enhancing manufacturer effectiveness. Revision A consists of a single, easy to use electronic file...
Provides requirements for dielectric adhesives to hold components in place from the mounting to the soldering process and identifies test methods to ensure their long term properties. 9 pages. Released December 2014.
IPC-7526A handbook addresses understencil cleanliness during stencil printing, removal of solder paste from stencils following the cleaning process and misprint PCB board cleaning considerations.
This guideline describes flexibility and stretchability testing to evaluate printable electronics for stretchable and wearable applications. 26 pages. Released March 2017
The IPC-9202A, Material and Process Characterization/Qualification Test Protocol that records changes in Surface Insulation Resistance (SIR) on a representative sample of a printed circuit assembly (PCA). 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 electro-chemical reactions...
This document describes the design and assembly challenges and ways to address those challenges for implementing 3D component technology. Recognizing the effects of combining multiple uncased semiconductor die elements in a single-package format can impact individual component characteristics and can dictate suitable assembly methodology. The information contained in this standard focuses on...