T\u1ea5m l\u1ee3p thu\u1ef7 tinh th\u00e9p l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng nh\u1eb9, n\u1eeda trong su\u1ed1t \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng c\u00e1ch d\u00f9ng v\u1ea3i s\u1ee3i thu\u1ef7 tinh l\u00e0m l\u1edbp g\u1ed1c, sau \u0111\u00f3 ph\u1ebft l\u00ean m\u1ed9t l\u1edbp keo nh\u1ef1a r\u1ed3i \u0111em c\u00e1n n\u00f3ng \u0111\u1ec3 t\u1ea1o h\u00ecnh, n\u00f3 th\u01b0\u1eddng d\u00f9ng l\u00e0m l\u1edbp che m\u01b0a \u1edf tr\u00ean m\u00e1i nh\u00e0 c\u1ee7a c\u00e1c ki\u1ebfn tr\u00fac \u0111\u01a1n gi\u1ea3n c\u00f3 t\u00ednh ch\u1ea5t t\u1ea1m th\u1eddi, c\u0169ng c\u00f3 khi d\u00f9ng l\u00e0m m\u1eb7t t\u01b0\u1eddng.<\/p>\n\n\n\n
Ph\u1ea7n l\u1edbn c\u00e1c t\u1ea5m l\u1ee3p m\u00e1i nh\u00e0 \u0111\u1ec1u t\u01b0\u01a1ng \u0111\u1ed1i m\u1ecfng, v\u00ed nh\u01b0 t\u1ea5m t\u00f4n tr\u1eafng c\u00f3 g\u00e2n ch\u1ec9 d\u00e0y tr\u00ean d\u01b0\u1edbi 1 mm, t\u1ea5m l\u1ee3p th\u1ee7y tinh th\u00e9p d\u00e0y h\u01a1n m\u1ed9t ch\u00fat, trong kho\u1ea3ng 0,8-1,5 mm, t\u1ea5m l\u1ee3p ami\u0103ng d\u00e0y nh\u1ea5t c\u0169ng ch\u1ec9 6-8 mm.<\/p>\n\n\n\n
T\u1ea5m l\u1ee3p th\u1ee7y tinh th\u00e9p ch\u1ec9 d\u00e0y 0,8-1,5 mm, th\u1eadt kh\u00f3 t\u01b0\u1edfng t\u01b0\u1ee3ng n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng bao nhi\u00eau s\u1ee9c n\u1eb7ng \u0111\u00e8 l\u00ean. Nh\u01b0ng ch\u1ec9 c\u1ea7n l\u00e0m th\u00e0nh nh\u1eefng t\u1ea5m h\u00ecnh l\u01b0\u1ee3n s\u00f3ng th\u00ec ch\u00fang c\u00f3 th\u1ec3 ch\u1ecbu tr\u1ecdng l\u01b0\u1ee3ng kh\u00e1 l\u1edbn, \u0111\u1eebng n\u00f3i tr\u1ecdng l\u01b0\u1ee3ng tuy\u1ebft \u0111\u1ecdng m\u00f9a \u0111\u00f4ng, m\u00e0 ngay c\u1ea3 ng\u01b0\u1eddi \u0111\u1ee9ng l\u00ean tr\u00ean c\u0169ng kh\u00f4ng b\u1ecb n\u1ee9t v\u1ee1. T\u1ea1i sao v\u1eady?<\/p>\n\n\n\n
Ta bi\u1ebft r\u1eb1ng m\u1ed9t t\u1edd gi\u1ea5y tr\u1eafng th\u00f4ng th\u01b0\u1eddng, n\u1ebfu ta g\u00e1c hai \u0111\u1ea7u n\u1eb1m ph\u1eb3ng ngang l\u00ean cao th\u00ec \u1edf gi\u1eefa v\u1eabn b\u1ecb v\u00f5ng xu\u1ed1ng. Nh\u01b0ng n\u1ebfu ta g\u1ea5p kh\u00fac t\u1edd gi\u1ea5y th\u00e0nh h\u00ecnh ch\u1eef W, th\u00ec n\u00f3 c\u00f3 th\u1ec3 n\u1eb1m th\u1eb3ng m\u00e0 kh\u00f4ng b\u1ecb v\u00f5ng xu\u1ed1ng, cho d\u00f9 c\u00f3 \u0111\u1eb7t l\u00ean n\u00f3 c\u00e1c th\u1ee9 nh\u01b0 b\u00fat ch\u00ec, t\u1ea9y v.v. th\u00ec n\u00f3 c\u0169ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c. \u0110\u00f3 l\u00e0 v\u00ec \u0111\u1ed9 c\u1ee9ng c\u1ee7a m\u1ed9t t\u1edd gi\u1ea5y m\u1ecfng r\u1ea5t nh\u1ecf, nh\u01b0ng sau khi g\u1ea5p v\u00e0i l\u1ea7n, th\u00ec \u0111\u1ed9 c\u1ee9ng t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u tu\u1ef3 theo s\u1ef1 bi\u1ebfn \u0111\u1ed5i h\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3. S\u1ee9c ch\u1ecbu n\u00e9n c\u1ee7a c\u00e1c t\u1ea5m l\u1ee3p th\u1ee7y tinh th\u00e9p h\u00ecnh l\u01b0\u1ee3n s\u00f3ng c\u0169ng theo nguy\u00ean l\u00fd \u0111\u00f3.<\/p>\n\n\n\n
Ch\u00fang ta c\u00f3 th\u1ec3 c\u1eaft \u0111i m\u1ed9t “s\u00f3ng” c\u1ee7a t\u1ea5m l\u1ee3p c\u00f3 h\u00ecnh l\u01b0\u1ee3n s\u00f3ng, t\u1ee9c l\u00e0 hai h\u00ecnh b\u00e1n nguy\u1ec7t k\u1ebf ti\u1ebfp nhau. N\u1ebfu ta ch\u1ed3ng \u00fap hai h\u00ecnh b\u00e1n nguy\u1ec7t l\u1ea1i v\u1edbi nhau, th\u00ec s\u1ebd th\u00e0nh m\u1ed9t \u1ed1ng tr\u00f2n, khi\u1ebfn cho chi\u1ec1u d\u00e0y m\u1ecfng manh c\u1ee7a t\u1ea5m thu\u1ef7 tinh th\u00e9p t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u, tr\u1edf th\u00e0nh m\u1ed9t c\u00e1i x\u00e0 bi\u1ebfn d\u1ea1ng. Th\u1ea3o n\u00e0o c\u00e1c t\u1ea5m l\u1ee3p th\u1ee7y tinh th\u00e9p c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u1ecdng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, h\u01a1n n\u1eefa, bi\u00ean \u0111\u1ed9 c\u1ee7a s\u00f3ng c\u00e0ng cao th\u00ec c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng ngo\u1ea1i l\u1ef1c c\u00e0ng l\u1edbn.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: T\u1ea5m l\u1ee3p th\u1ee7y tinh th\u00e9p.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1ea5m l\u1ee3p thu\u1ef7 tinh th\u00e9p l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng nh\u1eb9, n\u1eeda trong su\u1ed1t \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng c\u00e1ch d\u00f9ng v\u1ea3i s\u1ee3i thu\u1ef7 tinh l\u00e0m l\u1edbp g\u1ed1c, sau \u0111\u00f3 ph\u1ebft l\u00ean m\u1ed9t l\u1edbp keo nh\u1ef1a r\u1ed3i \u0111em c\u00e1n n\u00f3ng \u0111\u1ec3 t\u1ea1o h\u00ecnh, n\u00f3 th\u01b0\u1eddng d\u00f9ng l\u00e0m l\u1edbp che m\u01b0a \u1edf tr\u00ean m\u00e1i nh\u00e0 c\u1ee7a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,16],"tags":[],"class_list":["post-8973","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8973","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8973"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8973\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}