TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The material comprising oriented function consists of hexagonal boron nitride, graphite, graphene, lead magnesium niobate-lead titanate (PMN PT) or a lead material of formula ((1-x)(Pb(Mg1/3Nb2/3)O3)-x-(PbTiO3)), lead titanate, (lithium, sodium, potassium)(niobium, tantalum, antimony)oxide ((Li,Na,K)(Nb,Ta,Sb)O3), preferably niobate of sodium and potassium and hematite. The set of ceramic particles comprises: a first particulate fraction constituted of orientable particles, preferably anisotropic particles that are made of a material comprising an oriented function and have a median length, where the amount of ceramic particles is more than 1 vol.%; and a second particulate fraction that has a median length, which is ten times less than the median length of the anisotropic particles, where the amount of fraction ceramic particles is more than 5 vol.%. The amount of first and second particulate fractions is more than 80 vol.%, preferably more than 95 vol.%. The amount of first particulate fraction is more than 5 vol.% and less than 15 vol.%. A particle size distribution of ceramic particles is bimodal. The oriented function corresponds to a thermal, electric, piezoelectric or magnetic property. The ceramic particles are platelet boron nitride having a thermal conductivity in which a main principle of the platelet is greater than the thermal conductivity according to a thickness of the platelet. The orientable ceramic particles are anisotropic particles or multi-faceted particles. The material constituted of orientable ceramic particles, ceramic particles of second particulate fraction, particles of complementary fraction of orientable particles or anisotropic particles consist of oxides, nitrides, carbides and/or carbo-oxynitrides. The material consists of zirconium oxide, partially stabilized zirconium oxide, stabilized zirconium oxide, yttrium oxide, doped yttrium oxide, preferably yttrium oxide doped with samarium oxide, titanium oxide, aluminosilicates such as mullite, cordierite, alumina or aluminum oxide and hydrated alumina, preferably boehmite, magnesium oxide, talc, nickel oxide, iron oxide, cerium oxide, doped cerium oxide, oxides having perovskite structure, preferably gallates, compounds comprising lanthanum aluminum oxide, lanthanum gallium oxide or lanthanum strontium metal oxide (La(1-x)SrxMO3), compounds comprising lanthanum strontium titanium manganese gallium oxide (La4Sr8Ti11Mn1-xGaxO38) and lanthanum strontium titanium manganese oxide (La4Sr8Ti12-nMnnO38), compounds comprising barium titanium oxide, barium zirconium oxide, lead manganese niobium oxide (Pb(Mg(0.25)Nb(0.75))O3), barium zinc niobium oxide (Ba(Zn(0.25)Nb(0.75))O3), lead zinc niobium oxide (Pb(Zn(0.25)Nb(0.75))O3), lead titanium oxide and calcium copper titanium oxide (CaCu3Ti4O12), compounds having a bimevox structure including bismuth vanadium metal oxide (Bi2V1-xMexOz), where z ensures electroneutrality, compounds having a lamox structure comprising lanthanum molybdenum oxide (La2Mo2O9), compounds having an apatite structure comprising yttrium containing compound (Me110(XO4)6Y12), compounds including strontium cerium metal oxide (SrCe1-xM2xO3), compounds barium cerium metal oxide (BaCe1-xM3xO3), compounds including lanthanum strontium selenium oxide (LaxSr1-xSeO3), zeolite structure (Nax1Cax2Mgx3Bax4Kx5Alx6(Six7Ox8)x9H2O), potassium niobium oxide (KNbO3) optionally doped with lithium, tantalum and/or barium, sodium niobium oxide optionally doped with lithium, tantalum and/or barium, potassium sodium niobium oxide ((K(0.5)Na(0.5))NbO3) optionally doped with lithium, tantalum and/or barium, aluminum nitrate, boron nitrate, silicon nitrate, titanium nitrate, titanium carbide, silicon carbide, tungsten carbide and/or zirconium carbide. The oxides having perovskite structure are doped with platinum, palladium, rhodium, gold and/or silver or lanthanum strontium metal oxide (La(1-x)SrxM(1-y)MayO3). The crystals of a solidified liquid phase: have a median transverse plane and a width, which is 5 times, preferably 20 times greater than a thickness of the crystals of solidified liquid phase; and are parallel to each other. The sintered product comprises more than 70 vol.% of orientable ceramic particles, and has a thickness of greater than 5 mu m. The walls have a peripheral layer constituted by layers of orientable ceramic particles. The dispersion of orientation of the particles is less than 30 degrees , preferably less than 15 degrees . A small angle between the direction of orientation of the oriented particles and a direction of function is less than 25 degrees or greater than 65 degrees , preferably 90 degrees .M = Cr, Co, Mg, Fe, Gd or Mn;Ma = Pt, Pd, Rh, Au or Ag;Me = Mg, Al, Si, Ti, Co, Ni, Co, Zn, Mn, Sb, Ta, Nb, Cr, Mo, W or U;x = 0-1;Me1 = cationic metal including Ca2+, de Cd2+, Sr2+, Ba2+, Pb2+, Na+ or K7+ or rare earth cation, preferably La3+, Nd3+, Al3+, U4+ or Th4+;XO4 = anionic metal including PQ43-, SiO44-, AsO43-, MnO4-, SO42-, CO32-, HPO42-, SiO44- or GeO44-;Y1 = anionic metal including F-, Cl-, OH-, Br-, I-, CO32- or O2-;M2 = rare earth metal, preferably ytterbium;M3 = rare earth metal such as barium cerium oxide;x = 0-1;y = 0-0.15;n = 0-1; andx1-x9 = less than 0.Preferred Method: The method further comprises compressing the block in a direction, which is parallel to a direction of the thickness of crystals of solidified liquid phase to obtain a block having a relative density of greater than 85%. The compression step is carried out by sintering under pressure or by spark plasma sintering.