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1、BRITISH STANDARD BS CECC 68100:1991 (including Amendment 1 (1990) to CECC 68100:1989) Harmonized system of quality assessment for electronic components: Sectional specification: Quartz crystal units (capability approval) Licensed Copy: London South Bank University, London South Bank University, Fri
2、Dec 08 17:06:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS CECC 68100:1991 This British Standard, having been prepared under the direction of the Non-ferrous Metals Standards Policy Committee, was published under the authority of the Board of BSI and comes into effect on 31 January 1991 BSI 08-19
3、99 The following BSI references relate to the work on this standard: Committee reference ECL/11 Draft for comment 89/28710 DC ISBN 0 580 19164 8 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Electronic Components Standards Policy Commi
4、ttee (ECL/-) to Technical Committee ECL/11, upon which the following bodies were represented: British Telecommunications plc EEA (the Electronics and Business Equipment Association) Electronic Components Industry Federation Institution of Electrical Engineers Ministry of Defence National Supervising
5、 Inspectorate Society of British Aerospace Companies Limited Telecommunication Engineering and Manufacturing Association Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 17:06:22 GMT+00:00 2006, Un
6、controlled Copy, (c) BSI BS CECC 68100:1991 BSI 08-1999i Contents Page Committees responsibleInside front cover National forewordii Forewordiii Text of CECC 681001 Publications referred toInside back cover Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 17:06:22
7、 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS CECC 68100:1991 ii BSI 08-1999 National foreword This British Standard has been prepared under the direction of the Electronic Components Standards Policy Committee. It is identical with CENELEC Electronic Components Committee (CECC) 68100:1989 “Harmoni
8、zed system of quality assessment for electronic components. Sectional specification: Quartz crystal units (Capability approval)” including Amendment 1 (1990). This standard is a harmonized specification within the CECC System. Cross-references. The British Standard which implements CECC 00100 is BS
9、9000 “General requirements for a system for electronic components of assessed quality”, Part 2:1990 “Specification for the national implementation of the CECC system”. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsibl
10、e for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. International StandardCorresponding British Standard IEC 68BS 2011 Environmental testing (Identical) IEC 122-1BS 9610:1982 Specification for quartz crystal units of assessed
11、 quality: generic data and methods of test (Technically equivalent) CECC 68000BS CECC 68000: Generic specification: Quartz crystal unitsa (Identical) a In preparation. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the CECC title page, pages ii to iv,
12、pages 1 to 22, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Fri
13、Dec 08 17:06:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 17:06:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS CECC 68100:1991 ii BSI 08-1999 Contents Page Forewordiii Section 1. Scope1 Section 2. General, prefe
14、rred ratings and guidance on detail specifications1 2.1Related documents1 2.2Preferred ratings and characteristics1 2.3Information to be prescribed in detail specifications1 Section 3. Capability approval2 3.1Eligibility for capability approval2 3.2Structural similarity2 3.3Procedures for capability
15、 approval2 3.4Capability manual2 3.5Capability qualifying components (CQCs)3 3.6Inspection requirements for CQCs4 3.7Programme for capability approval4 3.8Capability approval report4 3.9Abstract of description of capability4 3.10Modifications likely to affect capability approval5 3.11Initial capabil
16、ity approval5 3.12Maintenance of capability approval17 3.13Rework and repair work18 3.14Quality conformance inspection18 3.15Screening procedures18 Section 4. Test and measurement procedures18 Annex A Example layout of an abstract of description of capability for inclusion in CECC 0020019 Annex B La
17、yout of the front page of a CQC Specification for process control20 Annex C Layout of the front page of a CQC Specification to demonstrate a boundary or limit21 Figure 1 Plan for the selection of CQCs6 Figure 2 Test plan for deposition of electrode material CQCs7 Figure 3 Test plan for bonding CQCs7
18、 Figure 4 Test plan for mounting CQCs8 Figure 5 Test plan for frequency adjustment CQCs8 Figure 6 Test plans for enclosure CQCs9 Figure 7 Test plan for crystal unit design and performance CQCs10 Figure 8 Test plan for CQCs for motional parameters and unwanted responses11 Figure 9 Test plan for Clima
19、tic performance CQCs11 Figure 10 Test plan for durability CQCs11 Table 1 Test schedule for initial capability approval12 Table 2 Periodic tests for maintenance of capability approval17 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 17:06:22 GMT+00:00 2006, Unco
20、ntrolled Copy, (c) BSI BS CECC 68100:1991 BSI 08-1999iii Foreword The CENELEC Electronic Components Committee (CECC) is composed of those member countries of the European Committee for Electrotechnical Standardization (CENELEC) who wish to take part in a harmonized System for electronic components o
21、f assessed quality. The object of the System is to facilitate international trade by the harmonization of the specifications and quality assessment procedures for electronic components, and by the grant of an internationally recognized Mark, or Certificate, of Conformity. The components produced und
22、er the System are thereby acceptable in all member countries without further testing. This specification has been formally approved by the CECC, and has been prepared for those countries taking part in the System who wish to issue national harmonized specifications for QUARTZ CRYSTAL UNITS. It shoul
23、d be read in conjunction with the current regulations for the CECC System. At the date of printing of this document the member countries of the CECC are, Austria, Belgium, Denmark, Finland, France, Germany, Ireland, Italy, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United
24、Kingdom. Preface This sectional specification was prepared by CECC Working Group 17: Piezoelectric devices for frequency control and selection. It is based, wherever possible, on the Publications of the International Electrotechnical Commission and in particular on IEC Publication 122-1: Quartz crys
25、tal units for frequency control and selection: Part 1: Standard values and test conditions. The text of this sectional specification was circulated to the CECC for voting in the documents listed below and was ratified by the President of the CECC for publication as a CECC Specification. NOTEThis spe
26、cification is published initially in French and English. The German text will follow as soon as it has been prepared. DocumentVotingReport on the Voting CECC(Secretariat)2188May 1988CECC(Secretariat)2312 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 17:06:22 G
27、MT+00:00 2006, Uncontrolled Copy, (c) BSI iv blank Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 17:06:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS CECC 68100:1991 BSI 08-19991 Section 1. Scope This sectional specification applies to quartz crystal units m
28、anufactured as custom built products or as standard catalogue items and whose quality is assessed on the basis of capability approval. It prescribes the preferred ratings and characteristics, with the appropriate tests and measuring methods contained in the generic specification CECC 68000, and give
29、s the general performance requirements to be used in detail specifications for quartz crystal units. The concept of preferred values is directly applicable to standard catalogue items but does not necessarily apply to custom built products. Section 2. General, preferred ratings and guidance on detai
30、l specifications 2.1 Related documents 2.2 Preferred ratings and characteristics The values given in detail specifications shall preferably be selected from those stated in 2.4 of the generic specification CECC 68000. 2.3 Information to be prescribed in detail specifications (for both custom built a
31、nd standard catalogue items) Guidance on the preparation of detail specifications is given in the blank detail specification CECC 68101. For standard catalogue items each detail specification shall state all the tests and measurements required for inspection. This shall, as a minimum, include the re
32、levant tests given in the blank detail specification, with methods and severities. The following information shall be given in each detail specification. 2.3.1 Outline drawing and dimensions The detail specification shall include a dimensional drawing of the crystal unit, and/or reference to an appr
33、opriate International Standard, to permit easy recognition and to provide information for dimensioning and gauging procedures. The dimensions shall include the overall dimensions of the body of the component and the size and spacing of the terminations. All dimensions shall be stated in mm. Terminal
34、 connections shall be identified for enclosures with more than two terminations. When a detail specification covers more than one enclosure the dimensions and their associated tolerances shall be placed in a table below the drawing. When the configuration is other than described above, the detail sp
35、ecification shall state such dimensional information as will adequately describe the crystal unit. 2.3.2 Marking The detail specification shall prescribe the content of the marking on the crystal unit and on the primary package in accordance with 2.5 of CECC 68000. 2.3.3 Ordering information The det
36、ail specification shall prescribe that the following information is required when ordering a crystal unit: 1) Quantity 2) Detail specification number, issue number and date and where applicable 3) Nominal frequency in kHz or MHz and overtone order IEC 68:Basic environmental testing procedures. CECC
37、68000:Generic specification: Quartz crystal units. NOTEThe above references apply to the current editions except for IEC 68 for which the referred edition and the applicable test clauses of CECC 68000 shall be used. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 0
38、8 17:06:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS CECC 68100:1991 2 BSI 08-1999 4) enclosure type 5) frequency tolerance(s) and operating temperature range 6) circuit condition 7) full description of any additional requirements. 2.3.4 Additional information (not for inspection purposes) The d
39、etail specification may include information which is not normally required to be verified by the inspection procedure, such as circuit diagrams, curves, drawings and notes needed for clarification. Section 3. Capability approval 3.1 Eligibility for capability approval Prior to making an application
40、for capability approval a manufacturer shall first obtain manufacturers inspection approval in accordance with 1 of CECC 00107-1. The primary stage of manufacture shall be as defined in 3.1 of the generic specification CECC 68000. 3.2 Structural similarity A Structural similarity exists where a rang
41、e of crystal units incorporates one or more of the following features in common: materials, methods of sealing and agreed dimensional range for the enclosure crystal design and crystal processing. 3.3 Procedures for capability approval 3.3.1 General Capability approval in quartz crystal technology c
42、overs: the complete design, material preparation and manufacturing techniques, including control procedures and tests the performance limits claimed for the processes and products, that is, those specified for the CQCs the range of mechanical structures for which approval is granted. 3.3.2 Applicati
43、on for capability approval In order to obtain capability approval the manufacturer shall apply the rules of procedure given in CECC 00107-III. In an application for capability approval the manufacturer shall define the boundaries of the capability for which approval is sought in accordance with 3.5
44、of this specification. 3.3.3 Granting of capability approval Capability approval shall be granted when the manufacturer has: prepared a capability manual describing the capability for which he wishes to be approved, to the satisfaction of the ONS agreed with the ONS the range of CQCs, as defined in
45、1.2 of CECC 00107-III, to be used for the assessment of capability. successfully demonstrated that he can design and manufacture components which satisfy the requirements of this sectional specification, within the limits of his capability prepared a capability approval test report to the satisfacti
46、on of the ONS. 3.4 Capability manual The manufacturer shall prepare a manual describing his capability (see 2.2 of CECC 00107-III), in relation to the technologies involved. The manual shall be approved by the ONS who shall ensure that it is a true and complete record of procedures carried out by th
47、e manufacturer during the design, production, testing, inspection and release of his products. This manual is a document that shall be treated as “commercial in confidence”. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 17:06:22 GMT+00:00 2006, Uncontrolled Co
48、py, (c) BSI BS CECC 68100:1991 BSI 08-19993 The manual shall include the following as a minimum: A general introduction and description of the technologies involved Aspects of customer liaison including provisions of design rules (if appropriate) and assistance to customers in the formulation of the
49、ir requirements A detailed description of the design rules to be used The procedure for checking that the design rules are complied with for quartz crystal units manufactured to a detail specification A list of all materials used, with references to the corresponding purchasing specifications and goods inward inspection A flow chart for the total process showing quality control points and permitted rework loops and containing references to all process and quality control procedures A declaration of processes for wh
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