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.
IPC-4562A standard covers metal unsupported foils and foils supported by carrier films suitable for subsequent use in printed boards. IPC-4562B addresses the requirements of metal foils used in printed wiring applications.
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-J-STD-004C - Revision C - Standard with Amendment 1
The IPC J-STD-004C WAM1 standard prescribes general requirements for the classification and characterization of fluxes for high quality solder interconnections. The IPC J-STD-004C WAM1 standard may be used for quality control and procurement purposes. Soldering flux materials include the following: liquid flux, paste flux, solder paste, solder cream as well as flux-coated and flux-cored solder...
Establishes the general requirements for documentation necessary to fully describe end product printed boards, regardless of raw material, special fabrication requirements, layer count or end product usage. Includes master drawing requirements, board definition and artwork/phototooling. 94 pages. Revised May 1995.
This standard prescribes the nomenclature, requirements and test methods for electronic grade solder alloys; for fluxed and non-fluxed bar, ribbon and powder solders for electronic soldering applications; and for ‘‘special’’ electronic grade solders. This is a quality control standard and is not intended to relate directly to the material’s performance in the manufacturing process. Solders for...
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...
This specification sets requirements based on performance criteria for the use of Immersion Silver (IAg) as a surface finish for printed circuit boards. It is intended for use by chemical suppliers, printed board manufacturers, electronics manufacturing services (EMS) companies and original equipment manufacturers (OEM). IAg is a thin immersion deposit over copper. It is a multifunctional surface...
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...
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).
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...
This guideline describes flexibility and stretchability testing to evaluate printable electronics for stretchable and wearable applications. 26 pages. Released March 2017
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...
The IPC-2581C standard specifies the XML schema that represents the intelligent data file format used to describe printed board and printed board assembly products with details sufficient for tooling, manufacturing, assembly, and inspection requirements. This format may be used for transmitting information between a printed board designer and a manufacturing or assembly facility. The data is most...
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-7094A describes the design and assembly challenges for implementing flip chip technology in a direct chip attach (DCA) assembly. The effect of bare-die or die-size components in a flip chip format has an impact on component characteristics and dictates the appropriate assembly methodology. The IPC-7094A standard focuses on design, assembly methodology, critical inspection, repair and...
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
IPC-1730A is a tool used to categorize a laminate manufacturer's capabilities, which furnishes customer access to detailed information. Used for single or multiple sites or locations, IPC-1730A simplifies auditing processes and reduces the frequency of audits, decreasing paperwork and improving efficiency. The program includes a description, approval and certification profile and a quality profile...
Developed by the OEM council of the IPC, IPC-1720A categorizes electronic assembly manufacturer capabilities and supplies the OEM customer with detailed, substantive information. This program simplifies auditing processes and reduces the frequency of audits, thereby decreasing paperwork and improving efficiency. Company and Site Description, Site Capability Snap Shot, Equipment Profile (Pre-site...
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 standardizes the requirements for power conversion devices (PCDs) for the computer and telecommunications industries. The phrase “power conversion devices” refers to ac to dc and dc to dc modules, converters and power supplies. This specification sets the requirements for design; qualification testing; conformance testing and manufacturing quality/reliability processes, but does not...
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.
Surface Insulation Resistance (SIR) testing is a tool used not only for characterization testing of production processes such as solder masks, soldering flux, and conformal coatings, but also for examining the electrochemical reactions at each stage of the electronic assembly production process. This handbook covers the terminology, theories, test procedures and test vehicles of SIR testing...
IPC-J-STD-003 - Revision C - Standard with Amendments 1 & 2
The IPC-J-STD-003C-WAM1&2 standard prescribes test methods, defect definitions and illustrations for assessing the solderability of printed board surface conductors, attachment lands and plated-through holes (PTHs). The IPC-J-STD-003C-WAM1&2 standard is not intended to verify the potential of successful processing at assembly or to evaluate design impact on wettability. The IPC-J-STD-003C-WAM1&2...