To enhance imaging within the TEM a beam alignment really should be done before use. A Resource for this alignment is usually a holey grid. A holey grid is often a TEM grid guidance coated with a skinny plastic film plus a stabilizing carbon layer.Bên c?nh nh?ng ?u ?i?m nh? trên thì Decal nh?a trong có m?t h?n ch? khi?n cho nhi?u ng??i ph?i câ