BS 6221-9 – Printed wiring boards. Specification for flexible multilayer boards with through connections
Relates to boards irrespective of their method of manufacture. It is intended as a basis on which agreements between purchaser and vendor can be made. Defines the characteristics to be assessed, the test methods to be used and establishes uniform requirements for judging properties and dimensions. The term ‘relevant specification’ used refers to such agreements. Not applicable to flat cables.
