Characterization of MITLL CCID20-W91c2 thin 2k x 4k pixel size 15um x 15um hz, new coating and annealing Reported by M.Wei Jul.9,1998 Both "R"(A) and "L"(B) amps worked TEST CONDITIONS temperature: -130c Voltages: Vdd = +19v Vr = +12.5v Vopg = 0v Vsub = 0v Vp1,2,3 = +2, -6v Vs1,2,3 = +6, -3v Vsw = +5, -5v RG = 10, 0v SCP = 10v read 3800(r)x2048(c) area only. changed gain of preamp. from 21 to 4.83 TEST RESULTS e-/DN: R: 0.48 Determined by Fe55 x-ray test L: 0.44 serial CTE R: 0.99998384 Determined by Fe55 x-ray test L: 0.99999006 Determined by Fe55 x-ray test vertical CTE 0.99999988 Determined by cosmic ray Vertical charge traps: 0 (in 2048(r) x 2048(c) area) Determined by charge-pumping method Read noise: R: 2.16e- DSC timing: 16us on data and 16us on baseline 2.83e- DSC timing: 4us on data and 4us on baseline L: 2.38e- DSC timing: 16us on data and 16us on baseline 2.77e- DSC timing: 4us on data and 4us on baseline Full well(nonmpp) 111 ke- Dark current: Measured from 1000s integration (nonmpp) 1.4e-/hour/pixel (@-110c) QE(%) -124c 3200A 8.0 3500A 10.4 4000A 39.5 4500A 49.0 5000A 57.6 6000A 70.0 6500A 75.4 7000A 75.3 8000A 61.6 9000A 34.2 10000A 5.7 Fringing 8000A 6.9% 9000A 10.0% 10000A 17.1% --------------------------------------------- Spurious Charges(e-) --Vertical voltages (from a 1sec. dark field) Vv=2,-6 vv=2,-8 vv=2,-10 top of CCD 0 3.0 7.0 mid of CCD 0 4.4 17.6 bot of CCD 0 5.4 27.4 Residual image -- vertical voltage (after 60*12ke- exposure then took 1000sec. dark field) Vv=2,-6 5.52-0.24=5.28(e-) Vv=2,-8 6.96-5.76=1.20(e-) QE variations(%) 3200A 49.2 3500A 50.1 4000A 8.2 4500A 5.3