To improve imaging while in the TEM a beam alignment needs to be done previous to use. A Software for this alignment is actually a holey grid. A holey grid is usually a TEM grid support coated with a thin plastic film and also a stabilizing carbon layer.In decal trong ???c ?ng d?ng r?ng rãi trong trang trí và qu?ng bá th??ng hi?u L?u ý khi in