新
双
色
键
盘
按
钮
成
型
工
艺
分
析
及
模
具
郑
靳
宇
航
材
料
与
能
源
学
院
GeneralDesignDescription
KeyboardbuttonscanbeseeneverywhereinPeople'sDailylife.Thereareallkindsof
switchesandplasticproductswithlettersandsymbols.Atfirst,keyboardbuttonswereprinted
onthesurfaceofbuttonsonlythroughcoating,buttoomanytimesofuseledtothefadingof
characters.Withtheprogressofscienceandtechnologyandthedevelopmentofeconomy,this
kindofkeyboardhasbeengraduallyeliminated,andusetwo-colorkeyboardbuttonsmadeof
tw
双色键盘按钮成型工艺分析及模具-18667字.pdf