{"id":86,"date":"2026-06-06T11:55:49","date_gmt":"2026-06-06T03:55:49","guid":{"rendered":"https:\/\/bestswitch-stx.com\/metal-dome-vs-polydome-switch\/"},"modified":"2026-06-06T11:55:49","modified_gmt":"2026-06-06T03:55:49","slug":"metal-dome-vs-polydome-switch","status":"publish","type":"post","link":"https:\/\/www.bestswitch-stx.com\/zh\/metal-dome-vs-polydome-switch\/","title":{"rendered":"金属薄膜 vs 半球形按键: Choosing the Right Tactile Switch for Your Product"},"content":{"rendered":"
\"Metal<\/figure><\/div>\n\n

When designing a user interface for electronics, tactile feedback is critical. Two popular solutions \u2014 metal dome and polydome switches \u2014 both deliver that satisfying click, but differ in cost, durability, and application fit.<\/p>\n\n

What Is a 金属薄膜 Switch?<\/h2>\n

Metal dome switches use a thin stainless steel dome positioned over a circuit contact. When pressed, the dome collapses with a distinct snap, completing the circuit. Materials: stainless steel, available in diameters from 3mm to 20mm, with trip force ranging 50g\u2013600g.<\/p>\n\n

What Is a 半球形按键 Switch?<\/h2>\n

半球形按键 switches emboss the circuit layer and faceplate together, forming an integrated tactile bump. Total height is only 0.40\u20130.65mm, with elasticity from 100g\u2013400g. Life cycles exceed 500,000 operations.<\/p>\n\n

\"半球形按键<\/figure><\/div>\n\n

Head-to-Head Comparison<\/h2>\n\n
Parameter<\/th>金属薄膜<\/th>半球形按键<\/th><\/tr>\n
Material<\/td>Stainless steel<\/td>Polyester film<\/td><\/tr>\n
Life cycle<\/td>>1 million<\/td>>500,000<\/td><\/tr>\n
Cost<\/td>Higher (part + assembly)<\/td>Lower (single process)<\/td><\/tr>\n
Tactile feel<\/td>Crisp, consistent<\/td>Soft, uniform<\/td><\/tr>\n
Height<\/td>0.3\u20130.6mm<\/td>0.40\u20130.65mm<\/td><\/tr>\n
Minimum qty fit<\/td>Medium\u2013high volume<\/td>Flexible MOQ<\/td><\/tr>\n<\/table>\n\n

When to Choose 金属薄膜<\/h2>\n