NOVELTY - Manufacture of membrane electrode assembly comprises producing gas diffusion layer powder (300) used to form gas diffusion layer (82), forming catalyst layer on electrolyte membrane (60), and forming gas diffusion layer on catalyst layer (72). The forming of gas diffusion layer on catalyst layer comprises depositing gas diffusion layer powder on the catalyst layer.    USE - Method for manufacturing membrane electrode assembly for fuel cell (claimed).    ADVANTAGE - The method reduces the thickness of gas diffusion layer because the gas diffusion layer is formed by deposit of gas diffusion layer powder. The method maintains the base material in the sheet form and providing necessary strength of base material without the difficulty in making the base material very thin.    DETAILED DESCRIPTION - The gas diffusion layer powder is made of conductive material or mixture containing the conductive material and a water-repellent material. The gas diffusion layer powder is produced by spraying and drying gas diffusion layer slurry containing the conductive material and a solvent or a catalyst layer slurry containing catalyst-supported particle, electrolyte, and a solvent. The catalyst layer is formed by depositing a catalyst powder containing a catalyst-supported particle and an electrolyte on the electrolyte membrane. An average particle diameter of the gas diffusion layer powder is larger than an average particle diameter of the catalyst powder, preferably 2-3 times larger than the average particle diameter of the catalyst powder. The gas diffusion layer powder includes two powders. The first powder has a composition different from a composition of the second powder. The gas diffusion layer powder includes two powders whose particle diameter is larger than a particle diameter of the first powder. The first powder is deposited on the catalyst layer. The second powder is deposited on the first powder deposited on the catalyst layer. An INDEPENDENT CLAIM is included for membrane electrode assembly for a fuel cell.    DESCRIPTION OF DRAWING(S) - The drawing shows a cross sectional view of forming deposit of gas diffusion layer powder.    Electrolyte membrane (60)    Cathode side catalyst layer (72)    Cathode side gas diffusion layer (82)    Gas diffusion layer powder (300)    Screen (S2)