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J-STD-001F Has some basic requirements in Section 4. For class 3:
4.1 ESD Mfg shall establish and implement a documented ESD control program per ANSI/ESD-S20.20 or otherwise specified.
4.2 Cleanliness and ambient environments in all works areas shall be maintained at levels the prevent contamination or deterioration of tools, materials and surfaces to be soldered or conformally coated. Eating, drinking, and/or use of tobacco products is prohibited in the work area.
4.2.1 Environmental Controls: Should (no requirement) be enclosed, temperature and humidity controlled, and maintained at a positive pressure
4.2.2. Temp and Humidity: At 30% or lower, the Mfg shall very ESD control is adequate. For process control, more restrictive temperature and humidity may be required.
For cleanroom applications ISO 14644-1 Clean Room Standards is the current contractual standard. US FED-STD-209E was cancelled in 2001 but is still widely used.
Gregg
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of CANTAGALLO Luigi
Sent: Wednesday, October 07, 2015 10:58 PM
To: [log in to unmask]
Subject: [TN] Clean room
Hello Technetters.
Is there an IPC specification which gives the quality levels of workshops (temperature, humidity, cleanliness) according to the quality of the assemblies?
For example, assemblies IPC class 3 must be necessarily assembled in clean rooms or just with control of humidity and temperature?
Best regards,
CANTAGALLO Luigi
[@@ OPEN @@]
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