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The definitive standard on printed board dimensioning and tolerancing is finally here! IPC-2615 comprehensively covers dimensioning and tolerancing of electronic packaging and is consistent with other IPC printed board standards such as IPC-6012A and IPC-2221A. The document includes fundamental dimensioning and tolerancing rules, positional, profile, orientation and form tolerances and detailed...

This document is intended to clarify terms used in the area of fluid dispensing. As is often the case, different terms are used by different manufacturers to convey a similar meaning. Common interchangeable terms are shown in parenthesis and the reader should not infer one term is preferred over the other.

IPC-4413 standard covers finished fabrics woven from low Dk electrical grade glass fiber yarns that are intended as a reinforcing material in laminated plastics for electrical and electronic use. All fabrics covered by IPC-4413 standard are plain weave.

IPC-6012F Redline document shows the changes from IPC-6012E to IPC-6012F in a side-by-side comparison of the two documents. The IPC-6012F redline is available in both electronic and hardcopy format.

The IPC-5262 prescribes the minimum design, critical process and acceptance requirements for the application of polymeric materials to electrical/electronic components, modules, printed wiring assemblies and other elements thereof. The intent of IPC-5262 is to establish a baseline of requirements, procedures, practices and process attributes based on lessons learned and best practices that have...

Printed board quality encompasses many parameters, cleanliness being one important parameter. This document defines the recommended general requirements for the cleanliness of unpopulated (bare) single, double-sided and multilayer printed boards. Coverage is given to Ion Chromatography (IC) testing and Ionic cleanliness testing for process control. 6 pages. Released December 2009.

Printed board cleanliness has historically been an unknown factor in the quality assessment of unpopulated (bare) printed boards; this has often been attributed to a lack of understanding of materials and processes. This document addresses the various printed board fabrication processes and how each may impact, directly or indirectly, the final cleanliness of packaged bare printed boards and...

Every electronics manufacturer, whether an original equipment manufacturer (OEM) or electronics manufacturing services (EMS) company, must determine if the unpopulated printed boards entering the assembly process have an adequate level of cleanliness. The question of “how clean is clean enough?” is one that has no definitive answer, as there is no "golden number" for board cleanliness. The issue...

Tackling PCB cleanliness is a tough job; residues on printed circuit boards are directly related to the reliability of the produced hardware and can result in serious failures if not known or monitored. But how do you measure "cleanliness"? How clean is "clean"? The IPC-5701 provides guidance into how these issues should be approached and specified in purchasing documents, addressing levels of...

This guideline covers the requirements for resin coated copper foil intended for use in the formation of high density interconnect surface microvias for printed boards and printed board assemblies. 19 pages. Released November 2007.

The IPC-4555 standard covers the requirements and testing for organic solderability preservatives (OSP) processes for printed boards to be used primarily for electrical and electronic circuits. Details for lead free soldering are covered in IPC-4555

This standard is intended as a guideline in the proper preparation of a metallographic sample (microsection) of a printed board. The finished microsection is used for evaluating the quality of the laminate system and plated structures (e.g. PTHs and vias). Microsection sample preparation is regarded by many as a highly developed skill. The guidelines in this standard discuss the many variables and...

The European Union’s Restriction of Hazardous Substances (RoHS) legislation has had a profound impact on the electronics industry. One of the restricted substances, lead (Pb), is commonly used in alloys with tin for component finishes, printed board finishes and solders. Pb-free materials directly affect product performance, reliability and service life in many ways. There have been numerous...

This standard, developed jointly by IPC and the Electronic Industries Association (EIA) establishes the construction detail requirements for balls and other terminal structures on Ball Grid Array (BGA) packages. It also establishes a set of designations and expectations for product performance. A large variety of terminal structures are recognized for a wide range of applications ranging from...

IPC-4121 provides industry-approved guidelines for selecting core constructions for multilayer printed wiring boards (PWBs). The specification sheets in the document categorize the different core constructions by laminate type and nominal thickness. The constructions are rated for characteristics such as dielectric constant (DK), dimensional stability (DS), flatness, smoothness and drillability...

Establishes the specific requirements for organic mounting structures used to interconnect chip components, which in combination form the completed functional organic single-chip module (SCM-L) or organic multichip module (MCM-L) assembly. Includes the quality and reliability assurance requirements that must be met for their acquisition. For use with IPC-6011. 25 pages. Released February 1998.

IPC JEDEC J-STD-020 is used to determine what moisture-sensitivity-level (MSL) classification level should be used so that surface mount devices (SMDs) can be properly packaged, stored and handled to avoid subsequent thermal and mechanical damage during the assembly solder reflow attachment and/or repair operation. J-STD-020 covers components to be processed at higher temperatures for lead-free...

Used in conjunction with IPC-2221A, IPC-2225 establishes the requirements and other considerations (thermal, electrical, electromechanical and mechanical) for the design of Single Chip Module (SCM-L), MCM or MCM-L assemblies. Key concepts include adhesive interconnection information, typical die attach materials, microvia material properties and relationships with DFM and DFE.

Defines a machine readable input format for Computer Numerical Control (CNC) drilling and routing machine tools used by the printed wiring board industry. The format may be used to transfer drilling and routing information between printed board designers, manufacturers and users or as the output CNC standard from converters that expand higher level design input such as IPC-D-350 data. Provides a...

Covers classification and requirements for finished fabrics woven from quartz fiber yarns that are intended as a reinforcing material in laminated plastics for electrical and electronic use. 13 pages. Released February 1992.

This standard establishes construction detail requirements for bumps and other terminal structures used for Flip Chip Scale carriers. The specific standards for different terminations are appropriately matched to a particular interconnection process and include such diverse terminations as solder bumps, columns, non-melting stand-offs and conductive polymer deposits. The document articulates a set...

This specification covers qualification and performance of rigid printed boards, including single-sided, double-sided, with or without plated-through holes, multilayer with or without blind/buried vias and metal core boards. It addresses final finish and surface plating coating requirements, conductors, holes/vias, frequency of acceptance testing and quality conformance as well as electrical...

Establishes the requirements for the evaluation of liquid and dry film solder mask material and for the determination of the acceptability of use on a standard printed board system. IPC-SM-840 provides two classes of requirements, T and H, to reflect functional performance requirements and testing severity based on industry/end use requirements. Coverage is given to adhesion, material qualification...

Covers the classification and requirements for finished fabrics woven from "S" glass, electrical grade glass fiber yarns intended as a reinforcing material in laminated plastics for electrical and electronic use. 12 pages. Released February 1992.

This specification covers qualification and performance requirements of rigid mass laminated panels for use in multilayer printed boards. Testing procedures and criteria are addressed. 21 pages. Released July 1994.

Provides information on multichip module technology, including parametric data, design and manufacturing information and a proposed categorization of various approaches to multichip interconnect substrate technologies based on dielectric family. 120 pages. Released August 1992.

Covers the materials, qualification, certification and performance requirements for multilayer polymer thick film (PTF) printed, extrusion deposited, or otherwise applied conductor, insulator and through-hole technology. This specification may also be used for procurement of single and double-sided boards. 59 pages. Released November 1989.

This document will provide insight into the theory behind tin whisker formation as it is known today and, based on this knowledge, potential mitigation practices that may delay the onset of, or prevent tin whisker formation. The potential effectiveness of various mitigation practices will also be briefly discussed. References behind each of the theories and mitigation practices are provided. It...

This standard prescribes test methods, defect definitions, acceptance criteria, and illustrations for assessing the solderability of electronic component leads, terminations, solid wires, stranded wires, lugs and tabs. A test method for the resistance to dissolution/dewetting of metallization is also included in the standard. Intended for use by both vendors and users, J-STD-002D was developed by...

Contains backplane design information from the fabrication and assembly perspective. Includes sections on design and documentation; fabrication; assembly; repair; and inspection. 17 pages. Revised September 1982.

Describes the usage of libraries within the processing and generation of information files. The data contained within covers both the definition and usage of internal (existing within the information file) and external libraries. The libraries can be used to make generated data more compact and facilitate data exchange and archival. The subroutines within a library can be used one or more times...

Describes an intelligent, digital data transfer format for describing component mounting information. Supplements IPC-D-350 and is for designers and assemblers. Data included are pin location, component orientation, etc. This document is frozen; no future updates are planned. 33 pages. Released January 1995.

Describes the relationship between elements used in electromechanical design and packaging of printed boards. Includes descriptions for logical and physical elements necessary as input to a design system, as well as the network of interconnection description between the various electronic parts. Provides the capability of describing all elements in their final form upon design completion. The...

Describes an intelligent, digital format for transfer of drawings between printed wiring board designers, manufacturers and customers. Also conveys additional requirements, guidelines and examples necessary to provide the data structures and concepts for drawing description in digital form. Supplements ANSI/IPC-D-350. Pertains to four basic types of drawings: master drawings, schematics, assembly...

Covers requirements and test methods for thermally conductive dielectric adhesives used to bond components in place. Permanent, removable and self-shimming adhesives are addressed. 18 pages. Released January 1995.

Defines guidelines for choosing sizes of printed wiring boards using standard fabrication panel sizes. 4 pages. Reaffirmed September 1991.

Covers finished fabrics woven from aramid yarns that are intended as reinforcing material in laminated plastics for electrical and electronic use. All fabrics covered by this specification are plain weave. 9 pages. Released June 1990.

Covers the information and data to be collected during the generation and use of phototools to improve artwork quality, thereby improving yields downstream. It also helps establish and maintain ISO 9000 certification and SPC by facilitating troubleshooting, standardizing the process for both experienced and inexperienced operators and by identifying process improvements for the ultimate...

Printed board flatness is largely affected by a change in intrinsic properties through exposure to variances in temperature. The worst case deviation of the printed board from flatness may be at room temperature, peak temperature during reflow, or at any temperature in between. Printed board flatness must therefore be characterized during the entire reflow thermal cycle, and not solely at room...

This document standardizes the performance parameters for air moving devices. The phrase "air moving device" (or "air mover") refers to equipment such as, fans, blowers and other forced air movement technologies. These air moving devices are used in the electronics industry for the cooling of heat-producing components, and range from small devices mounted directly to hot components such as...

This document is a tool for a customer or supplier organization's internal audit group to assess a statistical process control (SPC) system against the requirements of IPC-9191. This document should be used by customers and suppliers of any size and for any commodity. This tool can be used to perform an assessment of the use of SPC at both organizational and process levels. The questions in this...

This redline provides a side-by-side comparison the changes from Revision C to Revision D of IPC-7711/21.

The IPC-6013D covers qualification and performance requirements for flexible printed boards designed to IPC-2221 and IPC-2223. The flexible printed board may be single-sided, double-sided, multilayer or rigid-flex multilayer. All of these constructions may include stiffeners, PTHs, microvias, and blind/buried vias. IPC-6013D incorporates new and updated requirements for final finishes, rigid-to...

IPC-4101D-WAM1 covers the requirements for base materials that are referred to as laminate or prepreg. These are to be used primarily for rigid and multilayer printed boards for electrical and electronic circuits. This document contains 65 individual specification sheets that can be searched using keywords. These keywords allow the document's user to find materials of a similar nature, but with...

This specification covers the requirements for base materials that are referred to as laminate or prepreg. These are to be used primarily for rigid and multilayer printed boards for electrical and electronic circuits. This document contains 64 individual specification sheets that can be searched using keywords. These keywords allow the document's user to find materials of a similar nature, but...

Used in conjunction with IPC-2221, IPC-2223 establishes the specific requirements for the design of flexible printed boards and forms of component mounting and interconnecting structures. The flexible materials used in the structures are comprised of insulating films, reinforced and/or non-reinforced dielectric in combination with metallic materials. Revision D provides new design guidance and...

Determines the nomenclature, definitions and requirements for materials made from nonwoven "E" glass fibers. IPC-4130 also includes specification sheets for selecting and purchasing these materials. 14 pages. Released September 1998. Equivalent to IEC Publicly Available Specification (PAS) 62212

Determines the nomenclature, chemical and physical requirements of paper made from cellulose fibers for PWB fabrication. IPC-4110 also includes specification sheets for selecting and purchasing these materials. 11 pages. Released August 1998.

This document covers requirements and test methods for anisotropically conductive adhesive films used to bond and electrically connect components. Applications include the following: flexible PWB-to-glass, flexible PWB-to-rigid PWB, flip chip-to-glass, flip chip-to-flexible PWB, flip chip-to-rigid PWB, and fine pitch SMD. The adhesive film may be supplied pre-attached to a flexible circuit or...

IPC-3406 offers guidelines for selecting electrically conductive adhesives for use in electronics manufacturing as solder alternatives. The process discussion attempts to stay within the bounds of the existing solder assembly infrastructure. Both major types of adhesives, isotropic (conducting equally in all directions) and anisotropic (unidirectional conductivity) are covered. Polymer adhesives...