Device embedded substrate - Part 2-5: Implementation of a 3D data format for device embedded substrate

IEC 62878-2-5:2019 specifies requirements based on XML schema that represents a design data format for device embedded substrate, which is a board comprising embedded active and passive devices whose electrical connections are made by means of a via, electroplating, conductive paste or printing of conductive material.
This data format is to be used for simulation (e.g. stress, thermal, EMC), tooling, manufacturing, assembly, and inspection requirements. Furthermore, the data format is used for transferring information among printed board designers, printed board simulation engineer, manufacturers, and assemblers.
IEC 62878-2-5:2019 applies to substrates using organic material. It neither applies to the re-distribution layer (RDL) nor to the electronic modules defined as M-type business model in IEC 62421.

Montageverfahren für eingebettete Bauteile - Teil 2-5: Leitfaden - Implementierung eines 3D-Datenformats für Trägermaterial mit eingebetteten Bauteilen

Techniques d’assemblage avec intégration d’appareils - Partie 2-5 : Lignes directrices - Mise en œuvre d’un format de données 3D pour un substrat avec appareils intégrés

L’IEC 62878-2-5:2019 spécifie des exigences fondées sur le schéma XML qui représente un format de données de conception pour le substrat avec appareil(s) intégré(s), c’est-à-dire une carte avec appareil(s) intégré(s) actif(s) ou passif(s) dont les connexions électriques se font au moyen d’un trou de liaison, de galvanoplastie, de pâte conductrice ou d’impression du matériau conducteur.
Ce format de données doit être utilisé pour les exigences de simulation (par exemple, contrainte, thermique, compatibilité électromagnétique), d’outillage, de fabrication, d’assemblage et d’examen. De plus, le format de données est utilisé pour le transfert d’informations entre les concepteurs de cartes imprimées, les ingénieurs de simulation des cartes imprimées, les fabricants et les assembleurs.
La présente partie de l’IEC 62878 s’applique aux substrats utilisant des matériaux organiques. Elle ne s'applique ni à la couche de redistribution (RDL, re-distribution layer), ni aux modules électroniques définis comme un modèle commercial de type M dans l'IEC 62421.

Substrat z vdelanimi elementi - 2-5. del: Uvajanje 3D podatkovnega formata za substrat z vdelanimi elementi

General Information

Status
Published
Publication Date
03-May-2021
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
15-Apr-2021
Due Date
20-Jun-2021
Completion Date
04-May-2021

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SLOVENSKI STANDARD
SIST EN IEC 62878-2-5:2021
01-junij-2021
Substrat z vdelanimi elementi - 2-5. del: Uvajanje 3D podatkovnega formata za
substrat z vdelanimi elementi
Device embedded substrate - Part 2-5: Implementation of a 3D data format for device
embedded substrate
Ta slovenski standard je istoveten z: EN IEC 62878-2-5:2019
ICS:
31.180 Tiskana vezja (TIV) in tiskane Printed circuits and boards
plošče
31.190 Sestavljeni elektronski Electronic component
elementi assemblies
SIST EN IEC 62878-2-5:2021 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 62878-2-5:2021

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SIST EN IEC 62878-2-5:2021


EUROPEAN STANDARD EN IEC 62878-2-5

NORME EUROPÉENNE

EUROPÄISCHE NORM
November 2019
ICS 31.180; 31.190

English Version
Device embedding assembly technology - Part 2-5: Guidelines -
Implementation of a 3D data format for device embedded
substrate
(IEC 62878-2-5:2019)
Techniques d’assemblage avec intégration d’appareils - Montageverfahren für eingebettete Bauteile - Teil 2-5:
Partie 2-5 : Lignes directrices - Mise en œuvre d’un format Implementierung eines 3D-Datenformats für Trägermaterial
de données 3D pour un substrat avec appareils intégrés mit eingebetteten Bauteilen
(IEC 62878-2-5:2019) (IEC 62878-2-5:2019)
This European Standard was approved by CENELEC on 2019-10-21. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN IEC 62878-2-5:2019 E

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SIST EN IEC 62878-2-5:2021
EN IEC 62878-2-5:2019 (E)
European foreword
The text of document 91/1557/CDV, future edition 1 of IEC 62878-2-5, prepared by IEC/TC 91
"Electronics assembly technology" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 62878-2-5:2019.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-07-21
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-10-21
document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 62878-2-5:2019 was approved by CENELEC as a
European Standard without any modification.


2

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SIST EN IEC 62878-2-5:2021




IEC 62878-2-5

®


Edition 1.0 2019-09




INTERNATIONAL



STANDARD








colour

inside










Device embedding assembly technology –

Part 2-5: Guidelines – Implementation of a 3D data format for device embedded

substrate


























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ELECTROTECHNICAL


COMMISSION





ICS 31.180; 31.190 ISBN 978-2-8322-7399-9




  Warning! Make sure that you obtained this publication from an authorized distributor.


® Registered trademark of the International Electrotechnical Commission

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SIST EN IEC 62878-2-5:2021
– 2 – IEC 62878-2-5:2019 © IEC 2019
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Data definition . 10
4.1 Flow chart design of device embedded substrate . 10
4.2 Applicable range . 11
4.2.1 Product . 11
4.2.2 Process . 12
4.3 Features . 13
4.3.1 General . 13
4.3.2 Device embedded substrate structure . 13
4.3.3 SiP interposer structure . 14
4.3.4 Virtual layer description . 15
4.3.5 Terminal structure and embedded device structure including an SiP . 15
4.3.6 Total design data of an SiP and device embedded substrate . 15
4.4 Data description summary . 16
4.4.1 Type of data and structures . 16
4.4.2 File structure . 18
4.5 3D expression . 19
4.5.1 General . 19
4.5.2 Coordinates . 19
4.5.3 Position description . 20
4.5.4 Relation between coordinate origin and board position . 20
4.6 Layer concept . 21
4.7 Substrate data . 21
4.7.1 General . 21
4.7.2 Layer map information . 22
4.7.3 Device arrangement information . 23
4.7.4 Basic figures . 25
4.7.5 Net information . 31
4.7.6 Artwork information . 32
4.7.7 Package information . 32
4.7.8 External port information. 33
4.7.9 Internal port information . 33
4.7.10 User expansion information . 33
4.8 Defined data . 33
4.8.1 General . 33
4.8.2 Layer definition . 33
4.8.3 Land definition . 34
4.8.4 Via definition . 35
4.8.5 Device definition . 36
4.8.6 User expansion definition . 37
5 Data organization and data description based on XML schema . 38
5.1 General . 38
5.2 Data organization of Example 1 . 38
5.3 Data description of layer stack-up . 39

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IEC 62878-2-5:2019 © IEC 2019 – 3 –
5.4 Data description of device . 43
5.5 Data organization of layer . 47
5.6 Data description of via . 50
5.7 Data description of land . 51
Bibliography . 53

Figure 1 – Flow chart of design of device embedded substrate . 11
Figure 2 – General structure of device embedded substrate . 12
Figure 3 – Example of device embedded substrate structure. 14
Figure 4 – Examples of SiPs . 14
Figure 5 – Example of virtual layer description . 15
Figure 6 – Terminal structure . 15
Figure 7 – Structure of SiP on a device embedded substrate . 16
Figure 8 – Data structure . 18
Figure 9 – One file structure (recommended) . 19
Figure 10 – Two file structure . 19
Figure 11 – Definition of coordinates . 20
Figure 12 – Position definition . 20
Figure 13 – Relation between coordinates and board position . 21
Figure 14 – Layer concept . 21
Figure 15 – Layer construction . 22
Figure 16 – Simplified layer construction . 23
Figure 17 – Layer definition of pad connection . 24
Figure 18 – Layer definition of via connection . 24
Figure 19 – Rotation direction on X, Y, and Z axes . 25
Figure 20 – Point . 26
Figure 21 – Area . 27
Figure 22 – Lines . 27
Figure 23 – Letters . 28
Figure 24 – Letter shape . 28
Figure 25 – Bonding wire information . 29
Figure 26 – Semi-sphere . 29
Figure 27 – Truncated pyramid . 30
Figure 28 – Via . 30
Figure 29 – Device definition . 31
Figure 30 – Group . 31
Figure 31 – Data structure of net information . 32
Figure 32 – Relation of layer definition data . 34
Figure 33 – Land definition . 35
Figure 34 – Relation between hole information and land information . 36
Figure 35 – Device with internal connection information . 37
Figure 36 – Device without internal connection information . 37
Figure 37 – Cross sectional view of Example 1 . 38
Figure 38 – Data organization of Example 1 . 38

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Figure 39 – Data descripion of Example 1 . 39
Figure 40 – Layer structure of Example 1 . 40
Figure 41 – Data description of layer stack-up . 42
Figure 42 – Configuration of device 1. 43
Figure 43 – Data description of device 1 . 44
Figure 44 – Configuration of device 2. 45
Figure 45 – Data description of device 2 . 46
Figure 46 – Layer view of Example 1 . 48
Figure 47 – Data description of layers . 50
Figure 48 – Type of vias . 51
Figure 49 – Data description of vias . 51
Figure 50 – Type of lands . 52
Figure 51 – Data description of lands . 52

Table 1 – Required information . 13
Table 2 – List of data . 17

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IEC 62878-2-5:2019 © IEC 2019 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

DEVICE EMBEDDING ASSEMBLY TECHNOLOGY –

Part 2-5: Guidelines – Implementation of a 3D data format
for device embedded substrate

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in
addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses
arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62878-2-5 has been prepared by IEC technical committee 91:
Electronics assembly technology.
This first edition cancels and replaces IEC PAS 62878-2-5 published in 2015. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) the title has been changed to "Implementation of a 3D data format for device embedded
substrate" from "Requirements of design date format for device embedded substrate";
b) the scope of this implementation has changed to not include SiPs.

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SIST EN IEC 62878-2-5:2021
– 6 – IEC 62878-2-5:2019 © IEC 2019
The text of this International Standard is based on the following documents:
CDV Report on voting
91/1557/CDV 91/1589/RVC

Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 62878 series, published under the general title Device embedding
assembly technology, can be found on the IEC website.
Future standards in this series will carry the new general title as cited above. Titles of existing
standards in this series will be updated at the time of the next edition.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.

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SIST EN IEC 62878-2-5:2021
IEC 62878-2-5:2019 © IEC 2019 – 7 –
DEVICE EMBEDDING ASSEMBLY TECHNOLOGY –

Part 2-5: Guidelines – Implementation of a 3D data format
for device embedded substrate



1 Scope
This part of IEC 62878 specifies requirements based on XML schema that represents a design
data format for device embedded substrate, which is a board comprising embedded active and
passive devices whose electrical connections are made by means of a via, electroplating,
conductive paste or printing of conductive material.
This data format is to be used for simulation (e.g. stress, thermal, EMC), tooling, manufacturing,
assembly, and inspection requirements. Furthermore, the data format is used for transferring
information among printed board designers, printed board simulation engineer, manufacturers,
and assemblers.
This part of IEC 62878 applies to substrates using organic material. It neither applies to the
re-distribution layer (RDL) nor to the electronic modules defined as M-type business model in
IEC 62421.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
artwork information
information that shows a SiP not included in net and figure data in board (symbol mark, inside
of SiP, mould, spacer, remarks, etc.)
3.2
board information
total information of a device-embedded substrate, including embedded devices
3.3
chip stack
package of semiconductor chips stacked vertically
3.4
clearance
area around a through-hole where there is no conductor to prevent electrical connection
between a large conductor area, such as that of a power supply or a ground and a plated
through-hole

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3.5
computer-aided manufacturing
CAM
interactive use of computer systems, programs, and procedures in various phases of a
manufacturing process wherein the decision-making activity rests with the human operator and
a computer provides the data manipulation functions
3.6
computer-aided design
CAD
interactive use of computer systems, programs, and procedures in the design process wherein
the decision-making activity rests with the human operator and a computer provides the data
manipulation function
3.7
DXF
data format for AutoCAD
Note 1 to entry: AutoCAD is the trade name of a product supplied by Autodesk®. This information is given for the
convenience of users of this document and does not constitute an endorsement by IEC of the product named.
Equivalent products may be used if they can be shown to lead to the same results.
Note 2 to entry: It generally means a type of data format to draw figures using CAD board data.
3.8
design document
documentation of information necessary in circuit board design
3.9
device arrangement information
information that includes the position, the shape and attributes of the embedding device
included in the net information
3.10
device embedded substrate
substrate in which an active device(s) (semiconductor device) and/or passive device(s) (e.g.
resistor, capacitor) is formed using thick-film technology or by embedding it within the substrate
3.11
FLIP chip
FC
leadless monolithic circuit element structure that electrically and mechanically interconnects to
a printed board by conductive bumps
3.12
Gerber
type of data format that consists of aperture selection and operation commands and dimensions
in X- and Y-coordinates
Note 1 to entry: The data is generally used to direct a photo-plotter in generating photo-plotted artwork.
Note 2 to entry: Gerber is the trade name of a product supplied by Ucamco. This information is given for the
convenience of users of this document and does not constitute an endorsement by IEC of the product named.
Equivalent products may be used if they can be shown to lead to the same results.
3.13
interposer
material placed between two surfaces giving electrical insulation, redistribution of electrical
connections, mechanical strength and/or controlled mechanical and thermal separation
between the two surfaces

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Note 1 to entry: An interposer may be used as a means for redistributing electrical connections and/or allowing for
different thermal expansions between adjacent surfaces.
3.14
land
pad
portion of a conductive pattern usually used for the connection and/or attachment of components
3.15
land definition
maintainance of a shape of specific land, pad, solder resist and others
3.16
layer definition
combination of physical information of shape and construction and logic information giving
design and production units
3.17
layer map
map showing the relation between devices and the board, the devices being arranged on the
board
3.18
library
database of design information, based on a design document, to be used in board CAD
3.19
logical layer
layer that can be arbitrarily formed in the event that it is difficult to physically express a layer in
a design
Note 1 to entry: It is possible to relate it to a physical layer.
Note 2 to entry: It is different from the layers in a multi-layer substrate.
3.20
micro-electro-mechanical system
MEMS
system integrating micro-machine, mechanical elements, sensor, actuator, and electronic circuit
into one module
3.21
net information
device pin construction and wiring pattern in this PAS
3.22
package information
shapes of board and devices when they have package shape patterns in this document
3.23
PoP
package on package
single or multiple package(s) mounted on a package of a single chip or multiple chips as single
package
3.24
physical layer
layer consisting of a physical layer construction and structure

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