Exhaust ------------------------------------------------------- + C-C Foam, Porour (RAM) in Bay cavity + Dipoles in Engine bay cavity- defocus energy profile AC + Screech Liners AC + Laminate Coating on exhaust nozzle IR + Mix inlet flow w/ exhaust IR + Exhaust diffusers IR + Mirror Ag Films Materials ------------------------------------------------------- + Mesophase Pitch fibers IR + Ceramics Dissipate IR, Preserve Temperature RAM,IR + Iron Ball AC + Fiberglass + Perforate Al w/ harmonics for absorbing AC + Sandwich composite skins w/ pyramidal structures inward + Rouch texture paint + special pigments IR + Active/passive cooling IR + IR Decoy flare + Low profile airframe + Aspect angle Operation Profile ------------------------------------------------------- + Attenuate side lobes w/ HI aspect angle to illumination LL Rad + Nap of earth operational context LL Rad + Autostabilize, autoride control (NOE) INLETS ------------------------------------------------------- AC + Quiet Nacelle Noise reduction AC + Center Body AC + Acoustically treated, Air intake cowl + Conformal intake AC + Snake ducting + Bury inside + Mesh < lambdaR RAD,IR + HI density C-C Foams AC,IR + Nozzle Bafflers AVIONICS ------------------------------------------------------- RF E&L + RAM Around avionic Bays RF E&L + Boron Composites + Ferrite Coatings RF E&L + Radar set to intermediate pulsing Sidelobe leakage & Beam scatter LL Rad + Passive Microwave or laser radar + ECM + IR Jam RF E&L + 6 Layer nonwoven steel polyethyl fiber cloth in electronic bays (abs. electric wave) WING ------------------------------------------------------- +Leading edge + Fuselage +Skin Strakes : Radar hampering envelope +Triangular reflector + Superplastic ram (1) Jaumann Absorber - composite laminated layer w/ dielectric spacer (Scatter radar) RAM (2) C-C Foam - Dense carbon grain & Ultradense C-C Foam C-Reinforced fiberglass LOW Temp, LOW IR, LOW Radar (3) Al2O3 Fibers - Metal Matrix + Hybrid composites w/ Aramid fiber mix (4) Aramid Fibers - Aromatic Polyamide fibers in resin matrix composites (5) Fiballoy - Embedded glass + Plastic RAM (6) Silog - Baked rice hulls w/ C and SiC Whiskers + Al powder -> Silag composite RAM (7) Si-C Fibers - used in metal matrix composites LOW IR (8) Thermoplastics - Ordered polymers RAM parapolybenzothiazole 60 ply graphite reinforced panel layered autoclave cured Automated hot head tape layering & Dust form channels (9) Iron Ball - Ferrite RAM , LOW IR Mutability envelope (Radar distortion capability) Change polarization -> HI freq in irregular patterns (10) Retinyl Schiff base salf -> HI Polarity LOW Radar Double bonded C-N Polymer link a divalent group in linear backbone of a polyene chain