The membrane itself turns out to be a "single die-cut and molded sheet" that is applied to the casing before the main section of the keyboard. A related patent application submitted in March for the ...

And now for something..membranical? Mem-chanical? What on earth do we call these things? It's been aeons since I last looked at a membrane keyboard positing itself as a value-oriented gaming option – ...

Big quote: "The keyboard has a membrane under the keycaps to prevent debris from entering the butterfly mechanism," say two internal Apple documents regarding the 2018 MacBook Pros. According to an ...