I have been combing lightly through the deskthority wiki and found any other keyboards that may feature the same thing (discrete rubber cups over PCB). Most of the ones noted on the wiki does not specify if they are rubber cups over PCB or rubber cups over membrane. Some don't have any references which makes searching for them relatively hard.
Conductive dome over PCB is fairly uncommon, although BTC used it a lot; you can assume rubber dome will be over membrane generally. Let me know if there are any on the wiki that you need any help with — I might be able to tell you. BTW, you don't have to have discrete domes over PCB — my BTC keyboard has most domes in a single sheet.
I just noticed my typo haha. "I have been combing lightly through the deskthority wiki and haven't found any other keyboards that may feature the same thing" was what I was meant to say.
Yeah rubber domes over membrane, a sign of not a terribly good keyboard. In fact the more I think of anything on membrane I cannot imagine the feeling can be all that great. Then again they are abundant so I cannot say much otherwise. *stares at his APC membrane and is reminded of inconsistent feel even though lube has been applied*. Sometimes it makes me wonder if the PCB really makes that nice firm and somewhat a little more consistent feeling instead of membrane sheets. APC Clicker is inconsistent but it is Alps simplified clone over membrane. My HHKB on the other hand is capacitive rubber domes over PCB and the feels seems to be more consistent. I also have Northgate Omnikey 101 (which hopefully I will get it repaired) that I bet the feel would be consistent even though it is Alps complicated over PCB. Somehow something tells me that membrane sheets may give that contributing feel of being cheap over time, or maybe is just cheap in general.
Thanks for the offer on help with the wiki, I was sort of looking for you over the Christmas/New Year periods but it seemed you have went missing (probably holiday or something). This is going a bit off-topic but I think you have noticed that I added some entries into APC membrane and APC Clicker keyboards on Deskthority wiki. Lots of shameless photo snatching (which I will need to chase up credentials for eventually). I started tackling on the APC Clicker mess by splitting them into various types, not sure what they officially are and from my point of view is that APC Clickers are very hard to identify in general. Not sure if there are four types of APC Clickers or only three, one source I think from Sandy55 notes that Sandy55 has yet another variant that has not been documented. Although not a completely different design or something like that for the switches, just the appearance is different. Something to do with having the keyboard that looks like an older one but the types of switches (maybe instead of metal leaf springs it has copper leaf springs) which was not found on the same keyboard off that same website but off another.
In any case for me I will need to get back into adding final bits and pieces to the APC Clicker/membrane stuff. I don't think I have added anything of my type, and besides the various types are not sorted by chronological order so that will be another bit of a headache in itself. This was something that I noticed when I started putting up photos to the wiki. Something tells me that the keyboard I have predates the ones with copper leaf springs (as it doesn't have windows keys).
Getting back on the topic, I do not have BTC keyboard but this thread (after reading what the OP wanted) makes me sort of curiously wonder what it would feel like to type on those and then comparing that feel with that on the Topre. I only have a Topre board here and I sort of wonder if other rubber domes over PCB (or even capacitive rubber domes over PCB) would feel more or less the same as on a Topre board. BTC keyboard maybe older so maybe the rubber domes may have stiffened a bit but then again maybe lube might help.
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