Richard thank you, I was able to pluck the spec from the internet. If anyone else is interested here is the link
http://www.everyspec.com/USAF/USAF-SMC/SMC-S-023_VOL-1_19MAR2010_21565/ Volume 1
http://www.everyspec.com/USAF/USAF-SMC/SMC-S-023_VOL-2_19MAR2010_21566/ Volume 2
Ted
-----Original Message-----
From: Stadem, Richard D. [mailto:[log in to unmask]]
Sent: Wednesday, July 24, 2013 4:05 PM
To: TechNet E-Mail Forum; Tontis, Theodore J
Subject: RE: Looking to see if a HMI IPC standard exists
SMC-S-623 Vol. 1 and Vol. 2 HUMAN COMPUTER INTERFACE DESIGN CRITERIA VOLUME 2: SPACE SYSTEM OPERATIONS DISPLAYS Many others in SAE for automotive, medical, and industrial machine interfaces, including design guidelines.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Theodore J Tontis
Sent: Wednesday, July 24, 2013 4:00 PM
To: [log in to unmask]
Subject: Re: [TN] Looking to see if a HMI IPC standard exists
I am good with the Soldering requirements, we are already calling out the IPC A-610 requirement on the print as well as continuity verification.
What I am not so sure on is the membrane switch layers and the other multiple circuit layers that make up the entire assembly.
It is basically a multilayer PCBA however, it is not ridged and it's not flex.
There is a layer for the switch membrane and the dome switches, that provides feedback to the user the switch was depressed.
There are imbedded LED's in the layers providing feedback to the user There is an overlay with silkscreen on it that provides visual feedback to the user And there are flex circuits with connectors to interface with another PCBA This comes to the EMS provider as an assembly that needs to be mounted during the final assembly process of the product we buy.
The design had to be contracted out so developing a standard that all future HMI's can be designed around will be difficult. It also limits the ability to multi source the HMI if and when the volumes call for it. I was hoping there might be a standard that would provide a foundation to start from.
Ted
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: Wednesday, July 24, 2013 3:38 PM
To: [log in to unmask]
Subject: Re: [TN] Looking to see if a HMI IPC standard exists
And if machine control interface, are you looking for touch-text tablets or keypad style such as those used in cellphones and game controllers, or.....
Generally speaking, specific criteria for the components would be on the device, assembly, and component prints and source control drawings.
Solder joint criteria would fall under the pertinent IPC specs.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: Wednesday, July 24, 2013 3:34 PM
To: [log in to unmask]
Subject: Re: [TN] Looking to see if a HMI IPC standard exists
Particular to machine control PCs and tablets, or control panels such as those used on medical products, or what?
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Theodore J Tontis
Sent: Wednesday, July 24, 2013 3:19 PM
To: [log in to unmask]
Subject: [TN] Looking to see if a HMI IPC standard exists
I am looking to see if there is a released IPC standard or a IPC standard being developed for the design, manufacturing, testing and or acceptance of HMI's (Human Machine Interfaces).
Thank you,
Ted
Theodore J. Tontis CID
Senior Manufacturing Engineer
[cid:[log in to unmask]]<http://www.eaton.com/>
11131 Adams Road
Franksville, WI 53126
Office 262-835-1552
Cell 262-510-3145
Fax 262-835-1544
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