Method of manufacturing of electronic modules for timepieces and electronic module obtained by carrying out this method

A method of manufacturing a module for an electronic timepiece, comprising:

• providing an electrically insulating flexible film;
• forming in said film a first set of component openings conveniently located, sized and shaped for receiving components of a module;
• forming in said film a second set of bonding openings facing locations where terminal leads of said components are to be bonded with interconnection leads;
• securing a metallic foil to said film;
• removing portions of said foil to form a pattern of connection foil leads constituting said interconnection leads, with at least a portion left over each bonding opening;
• locating said components within said component openings so that said foil leads are registered with the appropriate component terminal leads;
• and
• bonding said foil leads with said terminal leads by bringing a bonding tool into engagement with said foil leads through said bonding openings.

An electronic watch module comprising:

• an electrically insulating flexible film having a metallic foil secured thereto;
• a plurality of components located in a set of component openings in said film located, sized and shaped for receiving said module components;
• a set of bonding openings in said film facing locations where terminal leads of said components are bonded with interconnection leads;
• portions of said foil removed to form a pattern of connection foil leads constituting said interconnection leads with at least a portion left over each bonding opening;
• and
• said components located within said component openings so that said foil leads are registered with the appropriate component terminal leads and bonded thereto.