Etchant, replenishment solution and method for forming copper wiring
申请人:MEC COMPANY LTD.
公开号:US10174428B2
公开(公告)日:2019-01-08
An etchant for copper includes an acid and one or more compounds selected from the group consisting of an aliphatic noncyclic compound, an aliphatic heterocyclic compound and a heteroaromatic compound. The aliphatic noncyclic compound is a saturated aliphatic noncyclic compound (A) including only two or more nitrogen atoms as heteroatoms, and 2 to 10 carbon atoms. The aliphatic heterocyclic compound is a compound (B) including a five-, six-, or seven-membered ring having one or more nitrogen atoms as one or more heteroatoms constituting the ring. The heteroaromatic compound is a compound (C) including a six-membered heteroaromatic ring having one or more nitrogen atoms as one or more heteroatoms constituting the ring.
ETCHANT, REPLENISHMENT SOLUTION AND METHOD FOR FORMING COPPER WIRING
申请人:MEC COMPANY LTD.
公开号:US20170260632A1
公开(公告)日:2017-09-14
An etchant for copper includes an acid and one or more compounds selected from the group consisting of an aliphatic noncyclic compound, an aliphatic heterocyclic compound and a heteroaromatic compound. The aliphatic noncyclic compound is a saturated aliphatic noncyclic compound (A) including only two or more nitrogen atoms as heteroatoms, and 2 to 10 carbon atoms. The aliphatic heterocyclic compound is a compound (B) including a five-, six-, or seven-membered ring having one or more nitrogen atoms as one or more heteroatoms constituting the ring. The heteroaromatic compound is a compound (C) including a six-membered heteroaromatic ring having one or more nitrogen atoms as one or more heteroatoms constituting the ring.
US4131671A
申请人:——
公开号:US4131671A
公开(公告)日:1978-12-26
Method of treatment
申请人:Astra Lakemedel Aktiebolag
公开号:US04131671A1
公开(公告)日:1978-12-26
A method for alleviating alcoholism comprising administering to a host in need of treatment an effective amount of the compound 4-methyl-1-homopiperazinedithiocarboxylic acid or a salt thereof, and a pharmaceutical preparation for alleviation of alcoholism comprising said compound or salt as an active ingredient.