<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31436632</termId><termName>microelectronics</termName><termType>PT</termType><termNote><![CDATA[ Branch of electronics dealing with the study, manufacture, and use of electronic circuits and devices of very small size, especially integrated circuits involving semiconductors. ]]></termNote><termCreatedDate>2026-03-30 20:57:44</termCreatedDate><relation><relationType>UF</relationType><termId>31436633</termId><termName>electronics, microsystem</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31436634</termId><termName>microsystem electronics</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31410646</termId><termName>electronics</termName><termType>PT</termType></relation></term>  </Zthes>