I te wā e whakamahia ana ngā momo hākari pūtaiao mō te tāwhiti i ngā rautaki silicona mō ngā taumata whakapae microchip i roto i te kaihanga semi-conductor, ka whakamahi i ngā hākari pūtaiao hei whiwhi i ngā tūtohu tāwhiti e rite ana ki ngā kara. Ko tēnei anō te take mō ngā kino me ngā kara e whakamahia nei i roto i ngā tahuhu o te optikihana, e āheinga ana ki ngā tikanga whakahaere a ngā kaitono i te tūmomo whakahirahira o te whanui. Ki runga i ngā hangarau matatū katoa, me whai i te ture whakahaere paihere utu i ia rōpū o te hanga hei whakamana i te mea ko ia kirituhi e hanga ana he tūtohu paihere i te tūmomo e hiahiatia nei.