Outsourcing of Production
Template Technical Specification for assembled PCB products
-
Technical Specification for the Supply of ACME_1 - EDA-02063 -
boards
(.pdf,
.docx)
- Specifies quality standards for PCB production, assembly, testing methods, packaging etc.
- Used and proven with the production of several Open Designs made by CERN.
- Over six designs made with this specification are now available as catalog products from companies.
- Corresponding Delivery schedule Gantt chart
Some extracts
_This technical specification concerns the supply of 100 assembled and
tested ACME_1 printed circuit boards, also known as EDA-02063 boards.
The delivery of the pre-series of 20 boards is required to be within 15
weeks following placement of the contract, while the remaining 80 boards
are required to be delivered within 8 weeks after ACME’s acceptance of
the pre-series._
§2.2 Deliverables Included in the Supply*
The boards to be manufactured are fully described in the Manufacturing
File provided by ACME. This file, downloadable from ACME’s Engineering
Data Management System (EDMS), contains Printed Circuit Board (PCB)
information, parts lists, component placement drawings, mechanical
drawings and circuit diagrams.
The supply of the boards shall include:
-
The purchase of the components and materials according to the BOM;
-
The manufacturing and assembly of the PCBs followed by testing;
-
The manufacturing of mechanical parts;
-
The assembly of the different parts;
-
The final functional testing of the boards;
-
The test results;
-
The delivery to ACME (where included).
Please contact Erik van der Bij, CERN for details about this template.
General Conditions
A technical specification such as the above is not enough for a production contract. Most companies will have general conditions that may apply that cover things like delivery, change procedures, acceptance procedures, warranty etc.
CERN has General Conditions that apply to any contract that is placed with a company.
Documentation required on delivery
Based on the technical specification that we use for Open Hardware
cards, we expect a number of reports with a delivery.
These reports allow us to verify if the delivered product complies to
the specification.
- Conformity of PCB production quality (coming from the subcontractor)
- Conformity of PCB assembly quality (inspection report, e.g. IPC-610)
- Conformity of ionic residues (IPC/EIA J-STD-001, Cleanliness Designator C-22 & section 8.3.6), tested on 10% of the boards
- Conformity of mechanics (visual inspection report)
- Result of Production Test
- Certificate of Conformity of the whole product
Contract Follow-up
We recommend that you hold weekly phone calls to follow up the progress of a project. These calls may help highlight any problems with the production, documentation that may not be clear, changes made to the design without informing you, etc. Even if you believe you don't need such a call, still make a short one.
Examples of problems that may be captured during these calls:
- a company produces a V1 instead of the specified V2
- a company reverse engineers a board of a competitor as the BOM of an Open design was incomplete - one call would have sufficed to get this item added to the BOM.
Erik van der Bij - 27 January 2021