A cikin tsakiyar 1990s, an sami yanayin canzawa zuwa infrared + dumama iska mai zafi a cikin reflow soldering a Japan. Yana zafi da 30% infrared haskoki da 70% iska mai zafi a matsayin mai ɗaukar zafi. Tanda mai zafi mai zafi na infrared yana haɗu da fa'idodin reflow na infrared da tilasta jujjuyawar iska mai zafi, kuma shine ingantacciyar hanyar dumama a cikin ƙarni na 21st. Yana yin cikakken amfani da halaye na mai ƙarfi infrared radiation shigar azzakari cikin farji, high thermal yadda ya dace da kuma ikon ceton, kuma a lokaci guda yadda ya kamata shawo kan zafin jiki bambanci da garkuwa sakamako na infrared reflow soldering, da kuma sa up for zafi iska reflow soldering.

Irin wannanreflow solderingtanderun yana dogara ne akan tanderun IR kuma yana ƙara iska mai zafi don sanya yawan zafin jiki a cikin tanderun ya zama iri ɗaya. Zafin da kayan aiki daban-daban da launuka daban-daban ke sha ya bambanta, wato, ƙimar Q ya bambanta, kuma sakamakon tashin zafin AT shima ya bambanta. Misali, kunshin SMD kamar lC baki ne phenolic ko epoxy, kuma gubar farin karfe ne. Lokacin zafi kawai, zazzabin gubar yana ƙasa da baƙar fata na SMD. Ƙara iska mai zafi zai iya sa yanayin zafi ya zama daidai, kuma ya shawo kan bambanci a cikin shayar da zafi da rashin inuwa. An yi amfani da tanda mai zafi na infrared + mai zafi a duniya.

Tun da infrared haskoki za su sami mummunan tasiri na shading da chromatic aberration a sassa masu tsayi daban-daban, za a iya busa iska mai zafi don daidaitawa na chromatic aberration da kuma taimakawa rashi na sasanninta. Hot nitrogen shine mafi dacewa don iska mai zafi da za a busa. Gudun canja wurin zafi mai zafi ya dogara da saurin iska, amma saurin iska mai yawa zai haifar da sauye-sauye na abubuwan da aka gyara da kuma inganta haɓakar iskar shaka na solder, kuma saurin iska ya kamata a sarrafa shi a 1. Om / s ~ 1.8III / S ya dace. . Akwai nau'i biyu na samar da iska mai zafi: axial fan generation (yana da sauƙi don samar da kwararar laminar, kuma motsinsa ya sa iyakar kowane yanki na zafin jiki ba a sani ba) da kuma tsararrun fan (an shigar da fan a waje na hita, wanda ya dace da yanayin zafi). yana haifar da magudanar ruwa a kan panel domin kowane yankin zafin jiki zai iya yin zafi daidai).