IPC 9111-2019

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IPC-9111

2019 - January

Troubleshooting for Printed Board

Assembly Processes

An international standard developed by IPC

Association Connecting Electronics Industries

The Principles of

Standardization In May 1995 the IPC’s Technical Activities Executive Committee (TAEC) adopted Principles of

Standardization as a guiding principle of IPC’s standardization efforts.

Standards Should:

• Show relationship to Design for Manufacturability

(DFM) and Design for the Environment (DFE)

• Minimize time to market

• Contain simple (simpliﬁed) language

• Just include spec information

• Focus on end product performance

• Include a feedback system on use and

problems for future improvement

Standards Should Not:

• Inhibit innovation

• Increase time-to-market

• Keep people out

• Increase cycle time

• Tell you how to make something

• Contain anything that cannot

be defended with data

Notice IPC Standards and Publications are designed to serve the public interest through eliminating mis-

understandings between manufacturers and purchasers, facilitating interchangeability and improve-

ment of products, and assisting the purchaser in selecting and obtaining with minimum delay the

proper product for his particular need. Existence of such Standards and Publications shall not in

any respect preclude any member or nonmember of IPC from manufacturing or selling products

not conforming to such Standards and Publication, nor shall the existence of such Standards and

Publications preclude their voluntary use by those other than IPC members, whether the standard

is to be used either domestically or internationally.

Recommended Standards and Publications are adopted by IPC without regard to whether their adop-

tion may involve patents on articles, materials, or processes. By such action, IPC does not assume

any liability to any patent owner, nor do they assume any obligation whatever to parties adopting

the Recommended Standard or Publication. Users are also wholly responsible for protecting them-

selves against all claims of liabilities for patent infringement.

IPC Position

Statement on

Specification

Revision Change

It is the position of IPC’s Technical Activities Executive Committee that the use and implementation

of IPC publications is voluntary and is part of a relationship entered into by customer and supplier.

When an IPC publication is updated and a new revision is published, it is the opinion of the TAEC

that the use of the new revision as part of an existing relationship is not automatic unless required

by the contract. The TAEC recommends the use of the latest revision. Adopted October 6, 1998

Why is there

a charge for

this document?

Your purchase of this document contributes to the ongoing development of new and updated industry

standards and publications. Standards allow manufacturers, customers, and suppliers to understand

one another better. Standards allow manufacturers greater efficiencies when they can set up their

processes to meet industry standards, allowing them to offer their customers lower costs.

IPC spends hundreds of thousands of dollars annually to support IPC’s volunteers in the standards

and publications development process. There are many rounds of drafts sent out for review and

the committees spend hundreds of hours in review and development. IPC’s staff attends and par-

ticipates in committee activities, typesets and circulates document drafts, and follows all necessary

procedures to qualify for ANSI approval.

IPC’s membership dues have been kept low to allow as many companies as possible to participate.

Therefore, the standards and publications revenue is necessary to complement dues revenue. The

price schedule offers a 50% discount to IPC members. If your company buys IPC standards and

publications, why not take advantage of this and the many other beneﬁts of IPC membership as

well? For more information on membership in IPC, please visit www.ipc.org or call 847/597-2809.

Thank you for your continued support.

copying, scanning or other reproduction of these materials without the prior written consent of the copyright holder is strictly prohibited and

constitutes infringement under the Copyright Law of the United States.

IPC-9111

Troubleshooting for

Printed Board Assembly

Processes

Developed by Assembly Process Effects Handbook Subcommittee (7-23)

of the Process Control Management Committee (7-20) of IPC

Users of this publication are encouraged to participate in the

development of future revisions.

Contact:

IPC

3000 Lakeside Drive, Suite 105N

Bannockburn, Illinois

60015-1219

Tel 847 615.7100

Fax 847 615.7105

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摘要：

IPC 9111-2019 是由国际电子工业联接协会（IPC）发布的最新版印刷电路板（PCB）组装清洁与离子污染控制标准规范。该标准全面覆盖了电子组装过程中清洁工艺的审核要求，包括清洗剂的选用、清洁流程的验证以及离子污染度的测量方法（如离子色谱法、MIBK等）。文档旨在帮助企业建立标准化的清洁质量管控体系，以减少漏电、腐蚀或短路等不良引发的产品失效风险。同时，它为SMT工艺中对离子残留物、助焊剂残留以及颗粒污染物的控制提供了技术参考与评价依据，是电子制造企业在确保产品可靠性、提升环保合规性和降低

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IPC 9111-2019

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