ðiːz dɪvˈaɪsᵻz ænd tɛknˈɑːlədʒi wɜː ðə bˈeɪsɪs ʌvðə fˈɜːst ˈɪntᵻɡɹˌeɪɾᵻd sˈɜːkɪts; nˌʌnðəlˈɛs, mˈɛnɪəv ðə skˈeɪlɪŋ ˈɪʃuːz ænd ˌʌndɚlˈaɪɪŋ fˈɪzɪkəl ɪfˈɛkts ɑːɹ ˈɪntᵻɡɹəl tʊ ˌaɪsˈiː dɪzˈaɪn, ˈiːvən ˈæftɚ fˈoːɹ dˈɛkeɪdz ʌv ˌaɪsˈiː dɪvˈɛləpmənt.
These devices and technology were the basis of the first integrated circuits; nonetheless, many of the scaling issues and underlying physical effects are integral to IC design, even after four decades of IC development.